ci: Add tests for php 8.4

Author: Stephan Wentz

.github/workflows/build.yml

@@ -19,6 +19,7 @@ jobs:
         dependencies: ["lowest", "highest"]
         php-version:
           - "8.3"
+          - "8.4"
 
     steps:
       - name: "Checkout"

.github/workflows/code_coverage.yaml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: shivammathur/setup-php@master
         with:
-          php-version: 8.3
+          php-version: 8.4
           coverage: xdebug
       - name: Load dependencies from cache
         id: composer-cache
@@ -23,9 +23,9 @@ jobs:
       - uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
-          key: ${{ runner.os }}-php8.3-composer-${{ hashFiles('**/composer.json') }}
+          key: ${{ runner.os }}-php8.4-composer-${{ hashFiles('**/composer.json') }}
           restore-keys: |
-            ${{ runner.os }}-php8.3-composer-
+            ${{ runner.os }}-php8.4-composer-
 
       - run: composer install --prefer-dist --no-progress --no-suggest
       - run: php vendor/bin/phpunit --coverage-clover build/logs/clover.xml