Fix for Folia mob metadata concurrency issue #851

	# This workflow automatically tests new commits and pull requests as they come in.
	# Note that this does not upload any artifacts, you will need to compile mcMMO manually
	# if you wish to create the actual jar.
	name: Compile and test

	on:
	# We run our tests whenever the pom or a source file was touched.
	# There is no need to run Maven when only the changelog was touched.
	# We may also want to re-run this workflow when the workflow file itself
	# was updated too.
	push:
	paths:
	- 'src/**'
	- 'pom.xml'
	- '.github/workflows/maven.yml'

	# Whenever someone submits a new pull request which modified the pom or a source file,
	# we want to ensure it compiles successfully and that all tests will pass.
	pull_request:
	paths:
	- 'src/**'
	- 'pom.xml'

	jobs:
	compile:
	name: Maven compiler
	runs-on: ubuntu-latest
	steps:

	# 1. Check out the current working tree
	- name: Checkout repository
	uses: actions/checkout@v2

	# 2. Setup Java 17 JDK (Adopt)
	- name: Java 17 setup
	uses: actions/setup-java@v2
	with:
	distribution: 'adopt'
	java-package: jdk
	java-version: '17'

	# 3. Setup local Maven package cache to speed up building
	- name: Cache Maven packages
	uses: actions/cache@v2
	with:
	path: ~/.m2
	key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
	restore-keys: ${{ runner.os }}-m2

	# 4. Build via Maven
	- name: Build via Maven
	run: mvn verify -B --file pom.xml -DdisableXmlReport=true

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