Bump rcssmin from 1.1.3 to 1.2.0 #321

	name: Check if a Docker image can be built

	on:
	push:
	branches: [ master ]
	pull_request:

	jobs:

	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/[email protected]
	- name: Build the Docker image
	env:
	# @see https://testdriven.io/blog/faster-ci-builds-with-docker-cache/
	CACHE_IMAGE: ghcr.io/pigs-will-fly/docker-python
	run: \|
	docker pull $CACHE_IMAGE
	docker build . \
	--cache-from $CACHE_IMAGE \
	--tag ${{ github.repository }}
	docker images

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