chore(deps): update dependency grpc.net.client to v2.55.0 (#62)

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

Author: renovate[bot]

Diff for: src/OpenFeature.Contrib.Providers.Flagd/OpenFeature.Contrib.Providers.Flagd.csproj

@@ -26,7 +26,7 @@
     <!-- The generated files will be placed in ./obj/Debug/netstandard2.0/Protos -->
     <Protobuf Include="schemas\protobuf\schema\v1\schema.proto" GrpcServices="Client" />
     <PackageReference Include="Google.Protobuf" Version="3.22.4" />
-    <PackageReference Include="Grpc.Net.Client" Version="2.52.0" />
+    <PackageReference Include="Grpc.Net.Client" Version="2.55.0" />
     <PackageReference Include="Grpc.Tools" Version="2.56.2">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>