Bump pip from 23.3.2 to 25.2 in /requirements

Bumps [pip](https://github.com/pypa/pip) from 23.3.2 to 25.2.
- [Changelog](https://github.com/pypa/pip/blob/main/NEWS.rst)
- [Commits](pypa/pip@23.3.2...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]

requirements/requirements-apex-pip.txt

@@ -1 +1 @@
-pip==23.3.2
+pip==25.2