Update to 1.20.4 #23

	name: build
	on:
	push:
	paths-ignore:
	- 'README.md'
	- '.github/**'
	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-20.04
	steps:
	- name: checkout repository
	uses: actions/checkout@v4

	- name: validate gradle wrapper
	uses: gradle/wrapper-validation-action@v2

	- name: setup jdk 17
	uses: actions/setup-java@v4
	with:
	java-version: '17'
	distribution: 'temurin'
	cache: 'gradle'

	- name: make gradle wrapper executable
	run: chmod +x ./gradlew

	- name: build
	run: ./gradlew build

	- name: Cleanup Gradle Cache
	# Remove some files from the Gradle cache, so they aren't cached by GitHub Actions.
	# Restoring these files from a GitHub Actions cache might cause problems for future builds.
	run: \|
	rm -f ~/.gradle/caches/modules-2/modules-2.lock
	rm -f ~/.gradle/caches/modules-2/gc.properties

	- name: capture build artifacts
	uses: actions/upload-artifact@v4
	with:
	name: Artifacts
	path: build/libs/

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