fix(ci): cache gradle and npm dependencies #107

	name: Test Suite
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	jobs:
	build:
	runs-on: ubuntu-latest
	env:
	GITHUB_ACTOR: ${{ github.actor }}
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	steps:
	- name: Checkout repository
	uses: actions/checkout@v2
	# Instantiate JVM v22.
	- name: Set up JDK 17
	uses: actions/setup-java@v4
	with:
	java-version: '22'
	distribution: 'adopt'
	cache: 'gradle'
	cache-dependency-path: \| # optional
	orchestrator/.gradle
	orchestrator/**/gradle-wrapper.properties
	# Include a Protobuf and gRPC code generator.
	- name: Install Protoc
	uses: arduino/setup-protoc@v3
	# Install hatch to support the Python runtime.
	- name: Setup Hatch
	uses: pypa/hatch@install
	# Install npm in order to support TypeScript and the Node.js runtime.
	- name: Setup NPM
	uses: actions/setup-node@v2
	with:
	node-version: '20'
	cache: 'npm'
	# Create a JAR exposing the Orchestrator library to the individual
	# processors.
	- name: Create JAR
	run: ./gradlew shadowJar --console=plain --warning-mode all
	working-directory: ./orchestrator
	# Attempt to execute the build step.
	- name: Build
	run: ./gradlew installDist --console=plain --warning-mode all
	working-directory: ./orchestrator
	# Execute test suite.
	- name: Run tests
	run: ./gradlew test --console=plain --warning-mode all
	working-directory: ./orchestrator

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