Bump protobuf from 5.29.0 to 5.29.1

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 5.29.0 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@v5.29.0...v5.29.1)

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

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

requirements.txt

@@ -1,3 +1,3 @@
 casttube==0.2.1
-protobuf==5.29.0
+protobuf==5.29.1
 zeroconf==0.136.2