Bump org.apache.httpcomponents.core5:httpcore5-h2 in /java-client (#2025)

Bumps [org.apache.httpcomponents.core5:httpcore5-h2](https://github.com/apache/httpcomponents-core) from 5.4.2 to 5.4.3.
- [Changelog](https://github.com/apache/httpcomponents-core/blob/rel/v5.4.3/RELEASE_NOTES.txt)
- [Commits](apache/httpcomponents-core@rel/v5.4.2...rel/v5.4.3)

---
updated-dependencies:
- dependency-name: org.apache.httpcomponents.core5:httpcore5-h2
  dependency-version: 5.4.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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java-client/build.gradle.kts

@@ -196,8 +196,8 @@ dependencies {
     api("org.apache.httpcomponents.client5:httpclient5:5.6.1") {
       exclude(group = "org.apache.httpcomponents.core5")
     }
-    api("org.apache.httpcomponents.core5:httpcore5:5.4.2")
-    api("org.apache.httpcomponents.core5:httpcore5-h2:5.4.2")
+    api("org.apache.httpcomponents.core5:httpcore5:5.4.3")
+    api("org.apache.httpcomponents.core5:httpcore5-h2:5.4.3")
 
     // Apache 2.0
     // https://search.maven.org/artifact/com.google.code.findbugs/jsr305