chore: migrate to test-matrix input on shared CI workflow

Signed-off-by: Benjamin Fahl <git@fahl-design.de>

Author: Fahl-Design

.github/workflows/ci.yml

@@ -17,3 +17,9 @@ jobs:
     secrets: inherit
     with:
       php-cs-fixer-ignore-env: true
+      test-matrix: |
+        [
+          {"php-version": "8.3", "dependencies": "locked",  "with_coverage": true},
+          {"php-version": "8.4", "dependencies": "highest", "with_coverage": false},
+          {"php-version": "8.5", "dependencies": "highest", "with_coverage": false}
+        ]