Update sbt to 1.9.7 #113

	name: CI

	env:
	JDK_JAVA_OPTIONS: -XX:+PrintCommandLineFlags # JDK_JAVA_OPTIONS is _the_ env. variable to use for modern Java
	JVM_OPTS: -XX:+PrintCommandLineFlags # for Java 8 only (sadly, it is not modern enough for JDK_JAVA_OPTIONS)

	on:
	pull_request:
	push:
	branches: ['master']
	release:
	types:
	- published

	jobs:
	lint:
	runs-on: ubuntu-20.04
	timeout-minutes: 30
	steps:
	- name: Checkout current branch
	uses: actions/[email protected]
	with:
	fetch-depth: 0
	- name: Setup Java
	uses: actions/[email protected]
	with:
	distribution: temurin
	java-version: 17
	check-latest: true
	- name: Cache scala dependencies
	uses: coursier/cache-action@v6
	- name: Lint code
	run: sbt ++3.3.0 check

	test:
	runs-on: ubuntu-20.04
	timeout-minutes: 30
	strategy:
	fail-fast: false
	matrix:
	java: ['8', '11', '17']
	scala: ['3.3.0']
	platform: ['JVM', 'JS']
	steps:
	- name: Checkout current branch
	uses: actions/[email protected]
	with:
	fetch-depth: 0
	- name: Setup Java
	uses: actions/[email protected]
	with:
	distribution: temurin
	java-version: ${{ matrix.java }}
	check-latest: true
	- name: Cache scala dependencies
	uses: coursier/cache-action@v6
	- name: Run tests
	if: ${{ !startsWith(matrix.scala, '3.') }}
	run: sbt ++${{ matrix.scala }}! test${{ matrix.platform }}
	- name: Run dotty tests
	if: ${{ startsWith(matrix.scala, '3.') && matrix.platform == 'JVM' }}
	run: sbt ++${{ matrix.scala }}! testJVM

	ci:
	runs-on: ubuntu-20.04
	needs: [lint, test]
	steps:
	- name: Aggregate of lint, and all tests
	run: echo "ci passed"

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