Bump Google.Protobuf from 3.23.3 to 3.23.4 (#6826)

Bumps [Google.Protobuf](https://github.com/protocolbuffers/protobuf) from 3.23.3 to 3.23.4.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v3.23.3...v3.23.4)

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

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

Author: dependabot[bot]

src/Directory.Build.props

@@ -20,7 +20,7 @@
     <HyperionVersion>0.12.2</HyperionVersion>
     <NewtonsoftJsonVersion>[13.0.1,)</NewtonsoftJsonVersion>
     <NBenchVersion>2.0.1</NBenchVersion>
-    <ProtobufVersion>3.23.3</ProtobufVersion>
+    <ProtobufVersion>3.23.4</ProtobufVersion>
     <BenchmarkDotNetVersion>0.13.2</BenchmarkDotNetVersion>
     <NetTestVersion>net7.0</NetTestVersion>
     <FsharpVersion>6.0.5</FsharpVersion>