Bump gradle/actions from 3 to 4 #1010

	name: "Gradle build"
	permissions: {}
	on:
	- push
	- pull_request
	- workflow_dispatch

	jobs:
	build:
	name: "Gradle build"
	runs-on: ubuntu-latest
	env:
	GRADLE_MICROG_VERSION_WITHOUT_GIT: 1

	steps:
	- name: "Checkout sources"
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: "Setup Java"
	uses: actions/setup-java@v4
	with:
	distribution: "temurin"
	java-version: "17"
	- name: "Gradle Wrapper validation"
	uses: gradle/actions/wrapper-validation@v4
	- name: "Setup Gradle"
	uses: gradle/actions/setup-gradle@v4
	- name: "Setup matchers"
	run: \|
	# Setting up matchers...

	matchers_dir='${{ github.workspace }}/.github/matchers'
	matcher_list()
	{
	echo 'gradle-build-matcher.json'
	echo 'gradle-build-kotlin-error-matcher.json'
	}

	matcher_list \| while IFS='' read -r NAME; do
	if test -f "${matchers_dir:?}/${NAME:?}"; then
	echo "::add-matcher::${matchers_dir:?}/${NAME:?}"
	echo "Matcher configured: ${NAME:?}"
	fi
	done
	- name: "Inspect Gradle tasks"
	run: "./gradlew tasks"
	- name: "Execute Gradle assemble"
	run: "./gradlew assemble"
	- name: "Execute Gradle check"
	run: "./gradlew check"

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