Bump Grpc.Tools from 2.78.0 to 2.80.0

---
updated-dependencies:
- dependency-name: Grpc.Tools
  dependency-version: 2.80.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -7,7 +7,7 @@
     <PackageVersion Include="CloudNative.CloudEvents.Kafka" Version="2.8.0" />
     <PackageVersion Include="CloudNative.CloudEvents.Protobuf" Version="2.8.0" />
     <PackageVersion Include="coverlet.collector" Version="8.0.1" />
-    <PackageVersion Include="Grpc.Tools" Version="2.78.0" />
+    <PackageVersion Include="Grpc.Tools" Version="2.80.0" />
     <PackageVersion Include="IdGen.DependencyInjection" Version="3.0.7" />
     <PackageVersion Include="Microsoft.Extensions.TimeProvider.Testing" Version="10.4.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />