Update dependency Google.Protobuf to 3.33.4 (#564)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Directory.Packages.props

@@ -10,7 +10,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="BouncyCastle.Cryptography" Version="2.6.2" />
-    <PackageVersion Include="Google.Protobuf" Version="3.33.3" />
+    <PackageVersion Include="Google.Protobuf" Version="3.33.4" />
     <PackageVersion Include="Grpc.Net.Client" Version="2.76.0" />
     <PackageVersion Include="Grpc.Tools" Version="2.76.0" />
     <PackageVersion Include="Humanizer" Version="3.0.1" />