Bump pip from 23.3 to 25.2 in /drivers/gpu/drm/ci/xfails

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]>

Author: dependabot[bot]

drivers/gpu/drm/ci/xfails/requirements.txt

@@ -5,7 +5,7 @@ termcolor==2.3.0
 certifi==2023.7.22
 charset-normalizer==3.2.0
 idna==3.4
-pip==23.3
+pip==25.2
 python-gitlab==3.15.0
 requests==2.31.0
 requests-toolbelt==1.0.0