Bump keyring in /build/pip in the build-python group (#2539)

Bumps the build-python group in /build/pip with 1 update: [keyring](https://github.com/jaraco/keyring).


Updates `keyring` from 25.2.0 to 25.2.1
- [Release notes](https://github.com/jaraco/keyring/releases)
- [Changelog](https://github.com/jaraco/keyring/blob/main/NEWS.rst)
- [Commits](jaraco/keyring@v25.2.0...v25.2.1)

---
updated-dependencies:
- dependency-name: keyring
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: build-python
...

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

build/pip/requirements.txt

@@ -5,7 +5,7 @@ docutils==0.21.2
 idna==3.7
 importlib-metadata==7.1.0
 jaraco.classes==3.4.0
-keyring==25.2.0
+keyring==25.2.1
 markdown-it-py==3.0.0
 mdurl==0.1.2
 more-itertools==10.2.0