Bump protobuf from 5.28.3 to 5.29.1 (#391)

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 5.28.3 to 5.29.1.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v5.28.3...v5.29.1)

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

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

requirements.txt

@@ -21,7 +21,7 @@ httpretty==1.1.4
 idna==3.10
 kubernetes==29.0.0
 parsel==1.6.0 # html-similarity 0.3.3 depends on parsel==1.6.0
-protobuf==5.28.3
+protobuf==5.29.1
 pyasn1==0.6.0
 pyasn1-modules==0.4.0
 pycparser==2.22