Bump org.apache.maven.plugins:maven-shade-plugin from 3.2.4 to 3.5.3 #34

	# Human-readable name
	name: Java CI

	# Build on every push and pull request regardless of the branch
	# Wiki: https://help.github.com/en/actions/reference/events-that-trigger-workflows
	on:
	- push
	- pull_request

	jobs:
	# job id
	build_and_test:

	# Environment image - always use latest OS
	runs-on: ubuntu-latest

	# Run steps
	steps:
	# Pull changes
	- uses: actions/checkout@v2.3.4
	# Cache artifacts - however this has the downside that we don't get notified of
	# artifact resolution failures like invalid repository
	# Nevertheless the repositories should be more stable, and it makes no sense to pull
	# a same version every time
	# A dry run would make more sense
	- uses: actions/cache@v2.1.5
	with:
	path: ~/.m2/repository
	key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
	restore-keys: \|
	${{ runner.os }}-maven-
	# Setup Java
	- name: Set up JDK
	uses: actions/setup-java@v2
	with:
	distribution: 'adopt'
	# Use Java 8, because it's minimum required version
	java-version: 8
	# Build and test (included in package)
	- name: Build with Maven and test
	# Run non-interactive, package (with compile+test),
	# ignore snapshot updates, because they are likely to have breaking changes, enforce checksums to validate possible
	# errors in dependencies
	run: mvn package --batch-mode --no-snapshot-updates --strict-checksums --file pom.xml

Provide feedback