Support Embulk 0.9 #1

	name: main

	on:
	workflow_dispatch:
	push:
	tags:
	- "*"
	pull_request:
	branches:
	- "main"
	types: [opened, synchronize]

	jobs:
	main:
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read
	steps:
	- uses: actions/checkout@v1
	- name: Set up JDK 1.8
	uses: actions/setup-java@v1
	with:
	java-version: 1.8
	- name: lint
	run: ./gradlew spotlessCheck
	- name: print version
	run: ./gradlew printVersion
	- name: Build Gem & Put it into './build/gems/' Directory
	run: ./gradlew gem
	- name: Set up JRuby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: jruby
	- name: push gem
	uses: trocco-io/push-gem-to-gpr-action@v1
	with:
	language: java
	gem-path: "./pkg/*.gem"
	github-token: "${{ secrets.GITHUB_TOKEN }}"

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