[maven] Bump httpclient5.version from 5.3.1 to 5.4

Bumps `httpclient5.version` from 5.3.1 to 5.4.

Updates `org.apache.httpcomponents.client5:httpclient5` from 5.3.1 to 5.4
- [Changelog](https://github.com/apache/httpcomponents-client/blob/master/RELEASE_NOTES.txt)
- [Commits](apache/httpcomponents-client@rel/v5.3.1...rel/v5.4)

Updates `org.apache.httpcomponents.client5:httpclient5-fluent` from 5.3.1 to 5.4
- [Changelog](https://github.com/apache/httpcomponents-client/blob/master/RELEASE_NOTES.txt)
- [Commits](apache/httpcomponents-client@rel/v5.3.1...rel/v5.4)

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

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

rika-firenet/pom.xml

@@ -47,7 +47,7 @@
     <!-- dependencies version -->
     <retrofit.version>2.11.0</retrofit.version>
     <okhttp3.version>4.12.0</okhttp3.version>
-    <httpclient5.version>5.3.1</httpclient5.version>
+    <httpclient5.version>5.4</httpclient5.version>
     <jsoup.version>1.18.1</jsoup.version>
     <spring-retry.version>2.0.9</spring-retry.version>
     <spring-aspects.version>6.1.13</spring-aspects.version>