chore: add testruns for PHP 8.4 (#1235)

* feat: bump dev dependencies

* chore: add testruns for PHP 8.4

* chore: add testruns for PHP 8.4

* chore: add testruns for PHP 8.4

---------

Co-authored-by: Christopher Georg <christopher.georg@sr-travel.de>

Author: Chris53897

.github/workflows/provider.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ['8.0', '8.1', '8.2', '8.3']
+        php-version: ['8.0', '8.1', '8.2', '8.3', '8.4']
     steps:
     - uses: actions/checkout@v4
     - name: Use PHP ${{ matrix.php-version }}