Update dependency Grpc.Tools to 2.76.0

Author: renovate[bot]

dependency/proto/Proto.csproj

@@ -12,7 +12,7 @@
     <PackageReference Include="Google.Protobuf.Tools" Version="3.30.2" />
     <PackageReference Include="Grpc" Version="2.46.6" />
     <PackageReference Include="Grpc.Core" Version="2.46.6" />
-    <PackageReference Include="Grpc.Tools" Version="2.71.0">
+    <PackageReference Include="Grpc.Tools" Version="2.76.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>