chore(deps): bump Google.Protobuf from 3.18.1 to 3.19.0 (#342)

Bumps [Google.Protobuf](https://github.com/protocolbuffers/protobuf) from 3.18.1 to 3.19.0.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/master/generate_changelog.py)
- [Commits](protocolbuffers/protobuf@v3.18.1...v3.19.0)

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

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

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

Client/Client.csproj

@@ -45,7 +45,7 @@ This release is based on the Zeebe 1.0.X release (https://github.com/zeebe-io/ze
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" version="3.18.1" />
+    <PackageReference Include="Google.Protobuf" version="3.19.0" />
     <PackageReference Include="Grpc" version="2.41.0" />
     <PackageReference Include="Grpc.Auth" Version="2.41.0" />
     <PackageReference Include="Grpc.Core" version="2.41.0" />