Update testing drupal and php versions

.github/workflows/build-2.x.yml

@@ -23,10 +23,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-versions: ["8.1", "8.2"]
+        php-versions: ["8.1", "8.2", "8.3"]
         # test-suite functional-javascript will appear to pass but will skip tests; missing chromedriver.
         test-suite: ["kernel", "functional", "functional-javascript"]
-        drupal-version: ["10.0.x", "10.1.x", "10.2.x-dev"]
+        drupal-version: ["10.1.x", "10.2.x", "10.3.x-dev"]
         mysql: ["8.0"]
         allowed_failure: [false]