Update cats-core to 2.12.0 #448

	name: Continuous Integration

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

	jobs:
	build:
	name: Build and Test Scala ${{matrix.scala}}
	if: "!contains(github.event.head_commit.message, 'ci skip')"
	strategy:
	matrix:
	os: [ubuntu-latest]
	scala: [2.12.12, 2.13.3]
	java: [[email protected]]
	fail-fast: false
	runs-on: ${{ matrix.os }}
	steps:
	- name: Checkout current branch (full)
	uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: Setup Java and Scala
	uses: olafurpg/setup-scala@v10
	with:
	java-version: ${{ matrix.java }}

	- name: Setup Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.x'

	- name: Cache ivy2
	uses: actions/cache@v1
	with:
	path: ~/.ivy2/cache
	key: ${{ runner.os }}-sbt-ivy-cache-${{ hashFiles('*/.sbt') }}-${{ hashFiles('project/build.properties') }}

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

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

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

	- run: \|
	pip install virtualenv
	sbt ++${{ matrix.scala }} test stage
	./build.sh

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