chore(deps): update dependency google.api.gax to 4.11.0

Author: renovate-bot

Directory.Packages.props

@@ -11,7 +11,7 @@
     <PackageVersion Include="NSubstitute" Version="5.3.0" />
 
     <!-- Google/gRPC packages -->
-    <PackageVersion Include="Google.Api.Gax" Version="4.10.0" />
+    <PackageVersion Include="Google.Api.Gax" Version="4.11.0" />
     <PackageVersion Include="Google.Api.Gax.Grpc" Version="4.10.0" />
     <PackageVersion Include="Google.Api.Gax.Testing" Version="4.10.0" />
     <PackageVersion Include="Google.Apis" Version="1.69.0" />