Upgrade to JDK21, Scala 3.x, Play 2.9.x #23

	# This workflow uses actions that are not certified by GitHub.
	# They are provided by a third-party and are governed by
	# separate terms of service, privacy policy, and support
	# documentation.

	name: Scala CI

	on:
	push:
	branches: [ "master" ]
	pull_request:
	branches: [ "master" ]

	permissions:
	contents: read

	env:
	GITHUB_TOKEN: ${{ github.token }}

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- name: Start PostgreSQL
	run: sudo systemctl start postgresql.service
	- uses: actions/checkout@v4
	- name: Set up JDK 21
	uses: actions/setup-java@v4
	with:
	java-version: '21'
	distribution: 'temurin'
	cache: 'sbt'
	- name: Initialize PostgreSQL database
	run: \|
	sudo -u postgres -i createuser -D -R -S nsi-safnari-user
	sudo -u postgres -i psql -c "ALTER USER \"nsi-safnari-user\" WITH PASSWORD 'password'"
	sudo -u postgres -i createdb -O nsi-safnari-user nsi-safnari-dev
	sudo -u postgres -i createdb -O nsi-safnari-user nsi-safnari-test
	- name: Run tests
	run: sbt test
	- name: Check code formatting
	run: sbt scalafmtCheckAll scalafmtSbtCheck

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