Bump Google.Protobuf from 3.17.3 to 3.19.4

Bumps [Google.Protobuf](https://github.com/protocolbuffers/protobuf) from 3.17.3 to 3.19.4.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/master/generate_changelog.py)
- [Commits](protocolbuffers/protobuf@v3.17.3...v3.19.4)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/common.props

@@ -15,7 +15,7 @@
     <HyperionVersion>0.12.0</HyperionVersion>
     <NewtonsoftJsonVersion>[12.0.3,)</NewtonsoftJsonVersion>
     <NBenchVersion>2.0.1</NBenchVersion>
-    <ProtobufVersion>3.17.3</ProtobufVersion>
+    <ProtobufVersion>3.19.4</ProtobufVersion>
     <BenchmarkDotNetVersion>0.13.1</BenchmarkDotNetVersion>
     <NetCoreTestVersion>netcoreapp3.1</NetCoreTestVersion>
     <NetTestVersion>net6.0</NetTestVersion>