ci: cleanup, add dedicated lint workflow

.github/workflows/tests.yml

@@ -1,74 +0,0 @@
-name: Tests
-
-on:
-  push:
-    branches:
-      - 'develop'
-      - 'v2'
-  pull_request:
-
-jobs:
-  tests:
-    name: Tests
-    runs-on: ubuntu-20.04
-    if: "!contains(github.event.head_commit.message, 'skip ci') && !contains(github.event.head_commit.message, 'ci skip')"
-    strategy:
-      fail-fast: false
-      matrix:
-        php: [8.0, 8.1]
-        database: ['mariadb:10.2', 'mysql:8']
-    services:
-      database:
-        image: ${{ matrix.database }}
-        env:
-          MYSQL_ALLOW_EMPTY_PASSWORD: yes
-          MYSQL_DATABASE: panel_test
-        ports:
-          - 3306
-        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
-    steps:
-      - name: Code Checkout
-        uses: actions/checkout@v3
-
-      - name: Get cache directory
-        id: composer-cache
-        run: |
-          echo "::set-output name=dir::$(composer config cache-files-dir)"
-
-      - name: Cache
-        uses: actions/cache@v3
-        with:
-          path: |
-            ~/.php_cs.cache
-            ${{ steps.composer-cache.outputs.dir }}
-          key: ${{ runner.os }}-cache-${{ matrix.php }}-${{ hashFiles('**.composer.lock') }}
-
-      - name: Setup PHP
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: ${{ matrix.php }}
-          extensions: bcmath, cli, curl, gd, mbstring, mysql, openssl, pdo, tokenizer, xml, zip
-          tools: composer:v2
-          coverage: none
-
-      - name: Setup .env
-        run: cp .env.ci .env
-
-      - name: Install dependencies
-        run: composer install --no-interaction --no-progress --no-suggest --prefer-dist
-
-      - name: PHP CS Fixer
-        run: vendor/bin/php-cs-fixer fix --dry-run --diff
-        continue-on-error: true
-
-      - name: Unit tests
-        run: vendor/bin/phpunit --bootstrap vendor/autoload.php tests/Unit
-        if: ${{ always() }}
-        env:
-          DB_HOST: UNIT_NO_DB
-
-      - name: Integration tests
-        run: vendor/bin/phpunit tests/Integration
-        env:
-          DB_PORT: ${{ job.services.database.ports[3306] }}
-          DB_USERNAME: root