use action/checkout@v4 (#497) #941

	name: Build and Test Java Application

	on:
	push:
	branches:
	- "main"
	paths-ignore:
	- '.gitignore'
	- 'CODEOWNERS'
	- 'LICENSE'
	- '*.md'
	- '*.adoc'
	- '*.txt'
	- '.all-contributorsrc'
	pull_request:
	paths-ignore:
	- '.gitignore'
	- 'CODEOWNERS'
	- 'LICENSE'
	- '*.md'
	- '*.adoc'
	- '*.txt'
	- '.all-contributorsrc'

	jobs:
	build-linux:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- name: Set up JDK 11
	uses: actions/setup-java@v3
	with:
	distribution: temurin
	java-version: 11

	- name: Get Date
	id: get-date
	run: \|
	echo "date=$(/bin/date -u "+%Y-%m")" >> $GITHUB_OUTPUT
	shell: bash
	- name: Cache Maven Repository
	id: cache-maven
	uses: actions/cache@v3
	with:
	path: ~/.m2/repository
	# resulting in faster build times.
	key: maven-repo-${{ runner.os }}-${{ hashFiles('**/pom.xml') }}
	- name: Install pnpm
	run: npm install -g pnpm
	- name: Maven Version
	run: mvn --version
	- name: Build with Maven
	run: mvn -B formatter:validate install --file pom.xml
	build-windows:
	runs-on: windows-latest
	steps:
	- uses: actions/checkout@v4

	- name: Set up JDK 11
	uses: actions/setup-java@v3
	with:
	distribution: temurin
	java-version: 11

	- name: Get Date
	id: get-date
	run: \|
	echo "date=$(/bin/date -u "+%Y-%m")" >> $GITHUB_OUTPUT
	shell: bash
	- name: Cache Maven Repository
	id: cache-maven
	uses: actions/cache@v3
	with:
	path: ~/.m2/repository
	# resulting in faster build times.
	key: maven-repo-${{ runner.os }}-${{ hashFiles('**/pom.xml') }}
	- name: Install pnpm
	run: npm install -g pnpm@~8.6.12
	- name: Maven Version
	run: mvn --version
	- name: Build with Maven
	run: mvn -B install --file pom.xml

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