[noissue]: Update proxy-py requirement from ~=2.4.4 to ~=2.4.5

Updates the requirements on [proxy-py](https://github.com/abhinavsingh/proxy.py) to permit the latest version.
- [Release notes](https://github.com/abhinavsingh/proxy.py/releases)
- [Changelog](https://github.com/abhinavsingh/proxy.py/blob/develop/CHANGELOG.md)
- [Commits](abhinavsingh/proxy.py@v2.4.4...v2.4.5)

---
updated-dependencies:
- dependency-name: proxy-py
  dependency-type: direct:production
...

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

functest_requirements.txt

@@ -5,6 +5,6 @@ pytest-custom_exit_code
 pytest-xdist
 numpy
 requests
-proxy.py~=2.4.4
+proxy.py~=2.4.5
 trustme~=1.1.0
 pulp-smash @ git+https://github.com/pulp/pulp-smash.git