Bump Google.Protobuf from 3.25.2 to 3.25.3

Bumps [Google.Protobuf](https://github.com/protocolbuffers/protobuf) from 3.25.2 to 3.25.3.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v3.25.2...v3.25.3)

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

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

TEKSteamClient.csproj

@@ -45,7 +45,7 @@
 	</PropertyGroup>
 	<ItemGroup>
 		<PackageReference Include="System.IO.Hashing" Version="8.0.0"/>
-		<PackageReference Include="Google.Protobuf" Version="3.25.2"/>
+		<PackageReference Include="Google.Protobuf" Version="3.25.3"/>
 		<PackageReference Include="Google.Protobuf.Tools" Version="3.25.3"/>
 	</ItemGroup>
 	<ItemGroup>