Support for PHP 8 (#2158)

painful 66 commits later: required PHP version bumped to 7.3, plugin updates using migrations necessary!

.github/workflows/coverage.yaml

@@ -1,4 +1,4 @@
-name: CI
+name: Coverage
 on:
     pull_request: null
     push:
@@ -19,9 +19,9 @@ jobs:
                 options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
         strategy:
             matrix:
-                php: ['7.3']
+                php: ['7.4']
 
-        name: Coverage - PHP ${{ matrix.php }}
+        name: PHP ${{ matrix.php }}
         steps:
             -   uses: actions/checkout@v2
             -   uses: shivammathur/setup-php@v2

.github/workflows/linting.yaml

@@ -1,4 +1,4 @@
-name: CI
+name: Linting
 on:
     pull_request: null
     push:
@@ -9,9 +9,9 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                php: ['7.4']
+                php: ['7.4', '8.0']
 
-        name: Linting - PHP ${{ matrix.php }}
+        name: PHP ${{ matrix.php }}
         steps:
             -   uses: actions/checkout@v2
             -   uses: shivammathur/setup-php@v2
@@ -22,7 +22,7 @@ jobs:
                     tools: cs2pr:1.1.0
             -   run: composer install --no-progress
             -   run: composer validate --strict
-            -   run: vendor/bin/php-cs-fixer fix --dry-run --verbose --config=.php_cs.dist --using-cache=no --show-progress=none --format=checkstyle | cs2pr
+            -   run: vendor/bin/php-cs-fixer fix --dry-run --verbose --config=.php-cs-fixer.dist.php --using-cache=no --show-progress=none --format=checkstyle | cs2pr
             -   run: vendor/bin/phpstan analyse src -c phpstan.neon --level=5 --no-progress --error-format=checkstyle | cs2pr
             -   run: vendor/bin/phpstan analyse tests -c tests/phpstan.neon --level=5 --no-progress --error-format=checkstyle | cs2pr
             -   run: composer kimai:code-lint

.github/workflows/testing.yaml

@@ -1,4 +1,4 @@
-name: CI
+name: Tests
 on:
     pull_request: null
     push:
@@ -19,9 +19,9 @@ jobs:
                 options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
         strategy:
             matrix:
-                php: ['7.2', '7.3', '7.4']
+                php: ['7.3', '7.4', '8.0']
 
-        name: Tests - PHP ${{ matrix.php }}
+        name: PHP ${{ matrix.php }}
         steps:
             -   uses: actions/checkout@v2
             -   uses: shivammathur/setup-php@v2
@@ -48,6 +48,7 @@ jobs:
                     MAILER_URL: null://localhost
             -   name: Run migrations on MySQL
                 run: |
+                    bin/console doctrine:database:drop --if-exists --force -n
                     bin/console doctrine:database:create --if-not-exists -n
                     bin/console doctrine:migrations:migrate -n
                     bin/console doctrine:migrations:migrate first -n