Set minimum Java to 17 and Gradle to 7.4 #66

	name: Java 17 Gradle CI

	on: [push]

	jobs:
	build:
	if: github.ref == 'refs/heads/master' && github.event_name == 'push'
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/cache@v1
	with:
	path: ~/.gradle/caches
	key: ${{ runner.os }}-gradle-${{ hashFiles('*/.gradle') }}
	restore-keys: \|
	${{ runner.os }}-gradle-
	- name: Set up JDK 17
	uses: actions/setup-java@v1
	with:
	java-version: 17
	- name: Grant execute permission for gradlew
	run: chmod +x gradlew
	- name: Grant execute permission for publish.sh
	run: chmod +x publish.sh
	- name: Build with Gradle
	run: ./gradlew $GRADLE_BUILD_OPTS build asciidoc --scan
	- name: Run publish if necessary
	env: # Or as an environment variable
	GRGIT_USER: ${{ secrets.GRGIT_USER }}
	run: ./publish.sh

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