Bump pip from 25.1.1 to 25.2

Bumps [pip](https://github.com/pypa/pip) from 25.1.1 to 25.2.
- [Changelog](https://github.com/pypa/pip/blob/main/NEWS.rst)
- [Commits](pypa/pip@25.1.1...25.2)

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

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

Author: dependabot[bot]

requirements.txt

@@ -1,3 +1,3 @@
 octodns===1.12.0
 octodns-cloudflare==1.0.0
-pip===25.1.1
+pip===25.2