Update to collector v0.21.0 (#223)

Fixes #216

Signed-off-by: Juraci Paixão Kröhling <[email protected]>

Author: jpkrohling

CHANGELOG.md

@@ -1,6 +1,12 @@
 Changes by Version
 ==================
 
+0.21.0 (2021-03-09)
+-------------------
+* Restart collector pod when config is updated ([#215](https://github.com/open-telemetry/opentelemetry-operator/pull/215), [@bhiravabhatla](https://github.com/bhiravabhatla))
+* Add permissions for opentelemetry finalizer resource ([#212](https://github.com/open-telemetry/opentelemetry-operator/pull/212), [@rubenvp8510](https://github.com/rubenvp8510))
+* fix: collector selection should not fail if there is a single sidecar ([#210](https://github.com/open-telemetry/opentelemetry-operator/pull/210), [@vbehar](https://github.com/vbehar))
+
 0.20.0 (2021-02-11)
 -------------------
 * Bumped OpenTelemetry Collector to v0.20.0

RELEASE.md

@@ -15,7 +15,7 @@ Steps to release a new version of the OpenTelemetry Operator:
 
 Run this generator:
 ```console
-$ docker run --rm  -v "${PWD}:/app" pavolloffay/gch:latest --oauth-token ${GH_WRITE_TOKEN} --owner open-telemetry --repo opentelemetry-operator
+$ docker run --rm  -v "${PWD}:/app" pavolloffay/gch:latest --oauth-token ${GH_WRITE_TOKEN} --owner open-telemetry --repo opentelemetry-operator --branch main
 ```
 
 Remove the commits that are not relevant to users, like:

versions.txt

@@ -2,7 +2,7 @@
 # by default with the OpenTelemetry Operator. This would usually be the latest
 # stable OpenTelemetry version. When you update this file, make sure to update the
 # the docs as well.
-opentelemetry-collector=0.20.0
+opentelemetry-collector=0.21.0
 
 # Represents the next release of the OpenTelemetry Operator.
-operator=0.20.0
+operator=0.21.0