Update kotlin to 1.9.0 #267

	name: Pre Merge Checks

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

	jobs:
	gradle:
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	runs-on: ${{ matrix.os }}
	if: ${{ !contains(github.event.head_commit.message, 'ci skip') }}
	steps:
	- name: Checkout Repo
	uses: actions/checkout@v2
	- name: set up JDK 11
	uses: actions/setup-java@v1
	with:
	java-version: 11
	- name: Unit tests
	run: bash ./gradlew test --stacktrace
	- name: Cache Gradle Caches
	uses: actions/cache@v1
	with:
	path: ~/.gradle/caches/
	key: cache-gradle-cache
	- name: Cache Gradle Wrapper
	uses: actions/cache@v1
	with:
	path: ~/.gradle/wrapper/
	key: cache-gradle-wrapper
	- name: Run Gradle tasks
	run: ./gradlew build --continue
	- name: Stop Gradle
	run: ./gradlew --stop

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