Bump pip in /Umbrella/Samples/Deployments/VirtualAppliances (#95)

Bumps [pip](https://github.com/pypa/pip) from 23.3 to 25.2.
- [Changelog](https://github.com/pypa/pip/blob/main/NEWS.rst)
- [Commits](pypa/pip@23.3...25.2)

---
updated-dependencies:
- dependency-name: pip
  dependency-version: '25.2'
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Umbrella/Samples/Deployments/VirtualAppliances/Requirements.txt

@@ -2,7 +2,7 @@ certifi==2024.7.4
 charset-normalizer==3.2.0
 idna==3.7
 oauthlib==3.2.2
-pip==23.3
+pip==25.2
 requests==2.32.2
 requests-oauthlib==1.3.1
 setuptools==78.1.1