Bump org.apache.httpcomponents.client5:httpclient5 from 5.5.1 to 5.6 (#1895)

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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: NiklasHerrmann21 <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -57,7 +57,7 @@
 		<slf4j.api.version>2.0.17</slf4j.api.version> <!--see also here http://www.slf4j.org/faq.html#changesInVersion18 -->
 		<org.json.version>20251224</org.json.version>
 		<sap.cloud.env.servicebinding.version>0.21.0</sap.cloud.env.servicebinding.version>
-		<apache.httpclient5.version>5.5.1</apache.httpclient5.version>
+		<apache.httpclient5.version>5.6</apache.httpclient5.version>
 		<apache.httpclient.version>4.5.14</apache.httpclient.version>
 		<caffeine.version>3.2.0</caffeine.version>
 		<commons.io.version>2.20.0</commons.io.version>