Bump the gradle group with 3 updates

Bumps the gradle group with 3 updates: [io.grpc:grpc-protobuf](https://github.com/grpc/grpc-java), [io.grpc:grpc-stub](https://github.com/grpc/grpc-java) and [io.grpc:grpc-netty-shaded](https://github.com/grpc/grpc-java).


Updates `io.grpc:grpc-protobuf` from 1.71.0 to 1.72.0
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.71.0...v1.72.0)

Updates `io.grpc:grpc-stub` from 1.71.0 to 1.72.0
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.71.0...v1.72.0)

Updates `io.grpc:grpc-netty-shaded` from 1.71.0 to 1.72.0
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.71.0...v1.72.0)

Updates `io.grpc:grpc-stub` from 1.71.0 to 1.72.0
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.71.0...v1.72.0)

Updates `io.grpc:grpc-netty-shaded` from 1.71.0 to 1.72.0
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.71.0...v1.72.0)

---
updated-dependencies:
- dependency-name: io.grpc:grpc-protobuf
  dependency-version: 1.72.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
- dependency-name: io.grpc:grpc-stub
  dependency-version: 1.72.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
- dependency-name: io.grpc:grpc-netty-shaded
  dependency-version: 1.72.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
- dependency-name: io.grpc:grpc-stub
  dependency-version: 1.72.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
- dependency-name: io.grpc:grpc-netty-shaded
  dependency-version: 1.72.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
...

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

Author: dependabot[bot]

build.gradle

@@ -83,7 +83,7 @@ tasks.sourcesJar {
 // All it does is complain about generated code.
 javadoc { options.addStringOption('Xdoclint:none', '-quiet') }
 
-def grpcVersion = "1.71.0"
+def grpcVersion = "1.72.0"
 def protocVersion = "4.30.2"
 def authzedProtoCommit = "v1.41.0"
 def bufDir = "${buildDir}/buf"