Bump Google.Protobuf from 3.28.3 to 3.29.0 in /src/net

Bumps [Google.Protobuf](https://github.com/protocolbuffers/protobuf) from 3.28.3 to 3.29.0.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v3.28.3...v3.29.0)

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

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

src/net/KEFCore.SerDes.Protobuf/KEFCore.SerDes.Protobuf.csproj

@@ -42,7 +42,7 @@
 
 	<ItemGroup>
 		<ProjectReference Include="..\KEFCore.SerDes\KEFCore.SerDes.csproj" />
-		<PackageReference Include="Google.Protobuf" Version="3.28.3" />
+		<PackageReference Include="Google.Protobuf" Version="3.29.0" />
 		<PackageReference Include="Google.Protobuf.Tools" Version="3.28.3">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>