build(deps): bump org.apache.httpcomponents.client5:httpclient5

Bumps [org.apache.httpcomponents.client5:httpclient5](https://github.com/apache/httpcomponents-client) from 5.2.1 to 5.6.3.
- [Changelog](https://github.com/apache/httpcomponents-client/blob/rel/v5.6.3/RELEASE_NOTES.txt)
- [Commits](apache/httpcomponents-client@rel/v5.2.1...rel/v5.6.3)

---
updated-dependencies:
- dependency-name: org.apache.httpcomponents.client5:httpclient5
  dependency-version: 5.6.3
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

samples/client/petstore/java/apache-httpclient-jackson3/pom.xml

@@ -265,7 +265,7 @@
     </dependencies>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <httpclient-version>5.2.1</httpclient-version>
+        <httpclient-version>5.6.3</httpclient-version>
         <jackson3-version>3.1.5</jackson3-version>
         <jackson-annotations-version>2.21</jackson-annotations-version>
         <jackson-databind-nullable-version>0.2.11</jackson-databind-nullable-version>