Updates the Scala version to match the installed Scala versions #249

	# Much copied from sbt-github-actions, modified to support running e2e tests
	name: Continuous Integration

	on:
	pull_request:
	branches: ['*']
	push:
	branches: ['master']

	jobs:
	build:
	name: Build and Test
	if: "!contains(github.event.head_commit.message, 'ci skip')"
	strategy:
	matrix:
	os: [ubuntu-latest]
	scala: [2.12.18, 2.13.11]
	java: [adopt@1.8]
	runs-on: ${{ matrix.os }}
	steps:
	- name: Checkout current branch (full)
	uses: actions/checkout@v2.4.0
	with:
	fetch-depth: 0

	- name: Setup Java and Scala
	uses: olafurpg/setup-scala@v13
	with:
	java-version: ${{ matrix.java }}

	- name: Cache ivy2
	uses: actions/cache@v2.1.7
	with:
	path: ~/.ivy2/cache
	key: ${{ runner.os }}-sbt-ivy-cache-${{ hashFiles('*/.sbt') }}-${{ hashFiles('project/build.properties') }}

	- name: Cache coursier (linux)
	uses: actions/cache@v2.1.7
	with:
	path: ~/.cache/coursier/v1
	key: ${{ runner.os }}-sbt-coursier-cache-${{ hashFiles('*/.sbt') }}-${{ hashFiles('project/build.properties') }}

	- name: Cache sbt
	uses: actions/cache@v2.1.7
	with:
	path: ~/.sbt
	key: ${{ runner.os }}-sbt-cache-${{ hashFiles('*/.sbt') }}-${{ hashFiles('project/build.properties') }}

	- name: Run tests
	run: sbt clean coverage test coverageReport
	- name: Coverage Aggregate
	run: sbt coverageAggregate

	- name: Codecov
	uses: codecov/codecov-action@v2.1.0
	with:
	fail_ci_if_error: true

Provide feedback