Bump jaraco-classes from 3.2.3 to 3.3.1 in /build/pip

Bumps [jaraco-classes](https://github.com/jaraco/jaraco.classes) from 3.2.3 to 3.3.1.
- [Release notes](https://github.com/jaraco/jaraco.classes/releases)
- [Changelog](https://github.com/jaraco/jaraco.classes/blob/main/NEWS.rst)
- [Commits](jaraco/jaraco.classes@v3.2.3...v3.3.1)

---
updated-dependencies:
- dependency-name: jaraco-classes
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

build/pip/requirements.txt

@@ -4,7 +4,7 @@ charset-normalizer==3.1.0
 docutils==0.20.1
 idna==3.4
 importlib-metadata==6.7.0
-jaraco.classes==3.2.3
+jaraco.classes==3.3.1
 keyring==24.2.0
 markdown-it-py==3.0.0
 mdurl==0.1.2