Bump org.apache.httpcomponents.client5:httpclient5 from 5.4.3 to 5.4.4

Bumps [org.apache.httpcomponents.client5:httpclient5](https://github.com/apache/httpcomponents-client) from 5.4.3 to 5.4.4.
- [Changelog](https://github.com/apache/httpcomponents-client/blob/rel/v5.4.4/RELEASE_NOTES.txt)
- [Commits](https://github.com/apache/httpcomponents-client/compare/rel/v5.4.3...rel/v5.4.4)

---
updated-dependencies:
- dependency-name: org.apache.httpcomponents.client5:httpclient5
  dependency-version: 5.4.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

dspace-server-webapp/pom.xml

@@ -594,7 +594,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents.client5</groupId>
             <artifactId>httpclient5</artifactId>
-            <version>5.4.3</version>
+            <version>5.4.4</version>
             <scope>test</scope>
         </dependency>
         <dependency>