Add checkpoint key ID to trust root #306

	#
	# Copyright 2022 The Sigstore Authors.
	#
	# 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
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	# http://www.apache.org/licenses/LICENSE-2.0
	#
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	# distributed under the License is distributed on an "AS IS" BASIS,
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	name: Check java build

	permissions:
	contents: read

	on:
	workflow_call: # allow this workflow to be called by other workflows
	push:
	paths:
	- '**.proto'
	- 'java/**'
	pull_request:
	paths:
	- '**.proto'
	- 'java/**'

	jobs:
	build:
	strategy:
	matrix:
	java-version: [11, 17]
	fail-fast: false

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
	- name: Set up JDK ${{ matrix.java-version }}
	uses: actions/setup-java@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9 # v4.2.1
	with:
	java-version: ${{ matrix.java-version }}
	distribution: 'temurin'
	- name: Setup Gradle
	uses: gradle/actions/setup-gradle@417ae3ccd767c252f5661f1ace9f835f9654f2b5 # v3.1.0

	# make sure jar generation works and tests/checks pass
	- name: Test
	run: \|
	cd java
	./gradlew build

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