fix(deps): update backend non-major dependencies #640

	name: Build Backend

	on:
	# allow manual dispatch
	workflow_dispatch:
	# run on PRs
	pull_request:
	paths:
	- 'backend/**'
	- '.github/workflows/backend_build.yml'

	concurrency:
	group: ${{ github.ref }}
	cancel-in-progress: true

	jobs:
	build:
	runs-on: ubuntu-latest

	env:
	CI: true

	defaults:
	run:
	working-directory: backend

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: true

	- name: Set up JDK
	uses: actions/setup-java@v4
	with:
	java-version: 21
	distribution: temurin
	cache: 'maven'

	- name: Cache Maven Deps
	uses: actions/cache@v4
	with:
	path: $GITHUB_WORKSPACE/.m2/repository
	key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
	restore-keys: \|
	${{ runner.os }}-maven-

	- name: Build backend
	run: mvn --batch-mode --errors --fail-at-end --show-version --no-transfer-progress install

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