Bump protobuf from 5.28.3 to 5.29.5 in /kuksa-client

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 5.28.3 to 5.29.5.
- [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...v5.29.5)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-version: 5.29.5
  dependency-type: direct:production
...

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

Author: dependabot[bot]

kuksa-client/requirements.txt

@@ -18,7 +18,7 @@ jsonpath-ng==1.7.0
     # via kuksa_client (setup.cfg)
 ply==3.11
     # via jsonpath-ng
-protobuf==5.28.3
+protobuf==5.29.5
     # via grpcio-tools
 pygments==2.18.0
     # via kuksa_client (setup.cfg)

kuksa-client/test-requirements.txt

@@ -38,7 +38,7 @@ pluggy==1.5.0
     # via pytest
 ply==3.11
     # via jsonpath-ng
-protobuf==5.28.3
+protobuf==5.29.5
     # via grpcio-tools
 pygments==2.18.0
     # via kuksa_client (setup.cfg)