Bump org.apache.httpcomponents.client5:httpclient5 from 5.5.1 to 5.6

Bumps [org.apache.httpcomponents.client5:httpclient5](https://github.com/apache/httpcomponents-client) from 5.5.1 to 5.6.
- [Changelog](https://github.com/apache/httpcomponents-client/blob/master/RELEASE_NOTES.txt)
- [Commits](apache/httpcomponents-client@rel/v5.5.1...rel/v5.6)

---
updated-dependencies:
- dependency-name: org.apache.httpcomponents.client5:httpclient5
  dependency-version: '5.6'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -104,7 +104,7 @@
         <antlr.version>4.13.2</antlr.version>
         <apache-directory-version>2.1.7</apache-directory-version>
         <apache-httpclient.version>4.5.14</apache-httpclient.version>
-        <apache-httpclient5.version>5.5.1</apache-httpclient5.version>
+        <apache-httpclient5.version>5.6</apache-httpclient5.version>
         <apache-httpcore.version>4.4.16</apache-httpcore.version>
         <asm.version>9.9</asm.version>
         <auto-service.version>1.1.1</auto-service.version>