Bump Grpc.Tools from 2.68.1 to 2.76.0

---
updated-dependencies:
- dependency-name: Grpc.Tools
  dependency-version: 2.76.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

test/Directory.Packages.props

@@ -12,7 +12,7 @@
     <PackageVersion Include="Grpc.AspNetCore" Version="2.67.0" />
     <PackageVersion Include="Grpc.Net.Client" Version="2.67.0" />
     <PackageVersion Include="Grpc.Net.Client.Web" Version="2.67.0" />
-    <PackageVersion Include="Grpc.Tools" Version="2.68.1" />
+    <PackageVersion Include="Grpc.Tools" Version="2.76.0" />
     <PackageVersion Include="MassTransit" Version="8.5.0" />
     <PackageVersion Include="Microsoft.AspNetCore.SignalR.Client" Version="9.0.6" />
     <PackageVersion Include="Microsoft.Build" Version="15.9.20" />