Update protobuf_grpc #334

	name: Examples

	on:
	push:
	branches:
	- '*'
	pull_request:
	branches:
	- main

	concurrency:
	group: ${{ github.ref }}-examples
	cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}

	jobs:
	examples:
	name: Build and run examples
	runs-on: ubuntu-latest

	permissions:
	id-token: write

	steps:
	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

	- name: Setup Java
	uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73 # v4.4.0
	with:
	java-version: 11
	distribution: 'temurin'

	- name: Setup Gradle
	uses: gradle/actions/setup-gradle@d156388eb19639ec20ade50009f3d199ce1e2808 # v4.1.0

	- name: run examples against released sigstore
	working-directory: examples/hello-world
	run: ./test.sh

	- name: install sigstore java development jars into mavenLocal
	run: ./gradlew publishToMavenLocal -Prelease -PskipSigning

	- name: calculate development version
	id: dev_version
	run: \|
	set -Exeo pipefail
	echo "version=$(grep "^version=" gradle.properties \| cut -d'=' -f2)" >> $GITHUB_OUTPUT

	- name: run examples against development version
	working-directory: examples/hello-world
	run: ./test.sh -Dsigstore.version=${{ steps.dev_version.outputs.version }}

Provide feedback