Update README.md #4

	name: Build and Upload Artifacts

	on:
	push:
	branches: ['*']
	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout Code
	uses: actions/checkout@v4

	- name: Grant execute permission to gradlew
	run: chmod +x gradlew

	- name: Determine Java Version
	id: java-version
	run: \|
	BRANCH_NAME="${GITHUB_REF#refs/heads/}"
	if [[ "$BRANCH_NAME" == "main" ]]; then
	echo "java_version=17" >> $GITHUB_OUTPUT
	else
	echo "java_version=21" >> $GITHUB_OUTPUT
	fi

	- name: Set up JDK
	uses: actions/setup-java@v3
	with:
	java-version: ${{ steps.java-version.outputs.java_version }}
	distribution: 'temurin'

	- name: Cache Gradle
	uses: actions/cache@v3
	with:
	path: \|
	~/.gradle/caches
	~/.gradle/wrapper
	key: ${{ runner.os }}-gradle-${{ hashFiles('*/.gradle*') }}

	- name: Setup Gradle
	uses: gradle/gradle-build-action@v2
	with:
	gradle-version: wrapper

	- name: Build with Gradle
	run: ./gradlew build

	- name: Upload Artifacts
	uses: actions/upload-artifact@v4
	with:
	name: build-artifacts
	path: build/libs/*.jar

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