fix(deps): bump protobuf from 5.29.4 to 6.30.2

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 5.29.4 to 6.30.2.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](https://github.com/protocolbuffers/protobuf/compare/v5.29.4...v6.30.2)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-version: 6.30.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements.txt

@@ -27,7 +27,7 @@ idna==3.10
 msgpack==1.1.0
 pillow==11.1.0
 proto-plus==1.26.1
-protobuf==5.29.4
+protobuf==6.30.2
 pyasn1==0.6.1
 pyasn1_modules==0.4.2
 pycparser==2.22