Fix CI dependency matrix

Author: otherguy

.github/workflows/ci.yml

@@ -51,11 +51,13 @@ jobs:
         run: vendor/bin/rector --dry-run
 
       - name: Run tests
-        env:
-          XDEBUG_MODE: coverage
         run: |
           mkdir -p build
-          vendor/bin/phpunit
+          if [ "${{ matrix.php }}" = "8.3" ]; then
+            XDEBUG_MODE=coverage vendor/bin/phpunit
+          else
+            vendor/bin/phpunit --no-coverage
+          fi
 
       - name: Upload coverage to Coveralls
         if: matrix.php == '8.3'

composer.json

@@ -69,6 +69,9 @@
     ]
   },
   "config": {
+    "platform": {
+      "php": "8.3.30"
+    },
     "sort-packages": true,
     "allow-plugins": {
       "php-http/discovery": true