fix: translation coverage workflow strategy

Author: HDVinnie

.github/workflows/i18n.yml

@@ -2,11 +2,12 @@ name: Translation Coverage Check
 on: [ push, pull_request ]
 jobs:
     translation-check:
-        matrix:
-            operating-system:
-                - ubuntu-22.04
-            php-version:
-                - '8.4'
+        strategy:
+            matrix:
+                operating-system:
+                    - ubuntu-22.04
+                php-version:
+                    - '8.4'
         name: php ${{ matrix.php-version }} on ${{ matrix.operating-system }}
         runs-on: ${{ matrix.operating-system }}