Upgrade to apache-httpcomponents-client-5-api

[strangelookingnerd]

Replace the deprecated / outdated httpclient3-api plugin with apache-httpcomponents-client-5-api.

Testing done

Validated via mvn verify

### Submitter checklist
- [x] Make sure you are opening from a **topic/feature/bugfix branch** (right side) and not your main branch!
- [x] Ensure that the pull request title represents the desired changelog entry
- [x] Please describe what you did
- [ ] Link to relevant issues in GitHub or Jira
- [ ] Link to relevant pull requests, esp. upstream and downstream changes
- [x] Ensure you have provided tests - that demonstrates feature works or fixes the issue