chore: add trusted-contribution.yml #1814

	# Copyright 2022 Google LLC
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.

	name: Release PR
	on:
	pull_request:
	types: [opened, synchronize, reopened, labeled]
	# Declare default permissions as read only.
	permissions: read-all
	jobs:
	build:
	name: "Code Generation"
	runs-on: ubuntu-latest
	permissions:
	issues: write
	pull-requests: write
	if: "${{ github.actor == 'release-please[bot]' }}"
	steps:
	- name: Setup Go
	uses: actions/setup-go@6edd4406fa81c3da01a34fa6f6343087c207a568 # v3.5.0
	with:
	go-version: '1.20'
	- name: Checkout code
	uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
	with:
	ref: ${{ github.event.pull_request.head.sha }}
	repository: ${{ github.event.pull_request.head.repo.full_name }}
	- name: Generate code and commit differences
	run: tools/release-pr-generate.sh

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