Fix broken links (#6326)

Modifications:

- Fix broken links in source and docs

Result:

- Broken links are fixed

---------

Signed-off-by: Seonghyeon Cho <seonghyeoncho96@gmail.com>

Author: sh-cho

site/src/design/README.md

@@ -3,4 +3,4 @@
 LY Corporation owns all rights to the logos in this folder.
 The files in this folder are *not* licensed under any open source license.
 
-See [Design resources](https://line.github.com/armeria/community/design-resources) for more information.
+See [Design resources](https://armeria.dev/community/design-resources/) for more information.

site/src/pages/docs/advanced-metrics.mdx

@@ -115,7 +115,7 @@ Clients.builder(grpcUrl)
 
 ## Changing the default distribution summary config
 
-A [distribution summary](https://micrometer.io/docs/concepts#_distribution_summaries) is used to track
+A [distribution summary](https://docs.micrometer.io/micrometer/reference/concepts/distribution-summaries) is used to track
 the distribution of events. Armeria provides a sensible default
 [DistributionStatisticConfig](https://javadoc.io/doc/io.micrometer/micrometer-core/latest/io/micrometer/core/instrument/distribution/DistributionStatisticConfig.html)
 for measuring the following metrics:
@@ -147,7 +147,7 @@ MoreMeters.setDistributionStatisticConfig(myDistStatCfg);
 
 ## Excluding certain meters created by Armeria
 
-Micrometer's `MeterRegistry` can be configured with [meter filters](https://micrometer.io/docs/concepts#_meter_filters).
+Micrometer's `MeterRegistry` can be configured with [meter filters](https://docs.micrometer.io/micrometer/reference/concepts/meter-filters).
 If you need to control the exported meters, you can apply sophisticated filters to the `MeterRegistry`.
 
 ```java

site/src/pages/docs/client-circuit-breaker.mdx

@@ -8,7 +8,7 @@ You can configure an Armeria client with a circuit breaker to prevent this circu
 can automatically detect failures by continuously updating success and failure events. If the remote service
 is unresponsive, it will immediately respond with an error and not make remote calls.
 Please refer to [CircuitBreaker wiki page](https://martinfowler.com/bliki/CircuitBreaker.html) by Martin Fowler and
-[LINE Engineering blog post about circuit breaker](https://engineering.linecorp.com/en/blog/detail/76)
+[LINE Engineering blog post about circuit breaker](https://engineering.linecorp.com/en/blog/circuit-breakers-for-distributed-services)
 for more information.
 
 ## State of `CircuitBreaker`

site/src/pages/docs/client-service-discovery.mdx

@@ -263,7 +263,7 @@ The <type://ZooKeeperEndpointGroup> is used to fetch the binary representation o
 The <type://ZooKeeperDiscoverySpec> converts the binary representation to an <type://Endpoint>.
 
 <type://ZooKeeperDiscoverySpec#curator(String)> uses the format of
-[Curator Service Discovery](https://curator.apache.org/curator-x-discovery/index.html) which is compatible
+[Curator Service Discovery](https://curator.apache.org/docs/service-discovery/) which is compatible
 with [Spring Cloud Zookeeper](https://cloud.spring.io/spring-cloud-zookeeper/reference/html/). If you
 registered your server with <type://ZooKeeperRegistrationSpec#curator(String)>, you must use
 <type://ZooKeeperDiscoverySpec#curator(String)>.

site/src/pages/docs/server-service-registration.mdx

@@ -51,7 +51,7 @@ which means when a server stops or a network partition between your server and Z
 the node of the server that became unreachable will be deleted automatically by ZooKeeper.
 
 <type://ZooKeeperRegistrationSpec#curator(String)> uses the format of
-[Curator Service Discovery](https://curator.apache.org/curator-x-discovery/index.html) which is compatible
+[Curator Service Discovery](https://curator.apache.org/docs/service-discovery/) which is compatible
 with [Spring Cloud Zookeeper](https://cloud.spring.io/spring-cloud-zookeeper/reference/html/).
 You can use <type://ZooKeeperRegistrationSpec#serverSets()> that applies the format of
 [Finagle ServerSets](https://twitter.github.io/finagle/docs/com/twitter/serverset.html).

site/src/pages/news/20200703-newsletter-1.mdx

@@ -22,7 +22,7 @@ the next release. Nevertheless, I feel like 1.0.0 is really close this time.
     <type://ServerBuilder#maxConnectionAge(Duration)>. This is useful when you have to deal with a load
     balancer without HTTP/2 support.
   - Service discovery and registration for
-    [Curator Service Discovery](https://curator.apache.org/curator-x-discovery/index.html) and
+    [Curator Service Discovery](https://curator.apache.org/docs/service-discovery/) and
     [Finagle ServerSets](http://stevenskelton.ca/finagle-serverset-clusters-using-zookeeper/).
   - [ScalaPB](https://scalapb.github.io/) support with
     [a fully working example](https://github.com/line/armeria/tree/main/examples/grpc-scala).

site/src/pages/release-notes/0.80.0.mdx

@@ -125,7 +125,7 @@ date: 2019-02-19
                                            .responseCauseSanitizer(responseCauseSanitizer)
                                            .newDecorator());
   ```
-- A user can easily send [Server-Sent Events](https://www.w3.org/TR/2009/WD-eventsource-20090421/). #1551
+- A user can easily send [Server-Sent Events](https://html.spec.whatwg.org/multipage/server-sent-events.html). #1551
   ```java
   public class MyAnnotatedService {
       @Get("/publisher")

site/src/pages/release-notes/0.99.7.mdx

@@ -101,7 +101,7 @@ date: 2020-06-22
             .build();
   ```
 - Armeria now supports service discovery and registration for
-  [Curator Service Discovery](https://curator.apache.org/curator-x-discovery/index.html) and
+  [Curator Service Discovery](https://curator.apache.org/docs/service-discovery/) and
   [Finagle ServerSets](http://stevenskelton.ca/finagle-serverset-clusters-using-zookeeper/). #2673 #2749 #2791
   ```java
   CuratorFramework curator = ...;

site/src/pages/release-notes/1.25.0.mdx

@@ -7,7 +7,7 @@ date: 2023-08-22
 - **GraalVM Support**: Armeria now provides [GraalVM](https://www.graalvm.org/)
   [reachability metadata](https://www.graalvm.org/latest/reference-manual/native-image/metadata/) to easily build
   [GraalVM](https://www.graalvm.org/) native images. #5005
-- **Micrometer Observation Support**: Support for [Micrometer Observation](https://micrometer.io/docs/observation) is added.
+- **Micrometer Observation Support**: Support for [Micrometer Observation](https://docs.micrometer.io/micrometer/reference/observation) is added.
   Refer to <type://ObservationClient> or <type://ObservationService> for details on how to integrate with Armeria.  #4659 #4980
   ```java
   ObservationRegistry observationRegistry = ...

zookeeper3/src/main/java/com/linecorp/armeria/client/zookeeper/CuratorDiscoverySpecBuilder.java

@@ -28,7 +28,7 @@
 
 /**
  * Builds a {@link ZooKeeperDiscoverySpec} for
- * <a href="https://curator.apache.org/curator-x-discovery/index.html">Curator Service Discovery</a>.
+ * <a href="https://curator.apache.org/docs/service-discovery/">Curator Service Discovery</a>.
  */
 public final class CuratorDiscoverySpecBuilder {