Allow failure on php 8.1 and add back drupal 10.

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

@@ -22,11 +22,21 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-versions: ["7.4", "8.0", "8.1"]
+        php-versions: ["7.4", "8.0"]
         test-suite: ["kernel", "functional", "functional-javascript"]
         drupal-version: ["9.4.x", "9.5.x-dev"]
         mysql: ["8.0"]
         allowed_failure: [false]
+        include:
+          - php-versions: "8.1"
+            drupal-version: "9.4.x"
+            allowed_failure: true
+          - php-versions: "8.1"
+            drupal-version: "9.5.x-dev"
+            allowed_failure: true
+          - php-versions: "8.1"
+            drupal-version: "10.0.x-dev"
+            allowed_failure: true
 
     name: PHP ${{ matrix.php-versions }} | drupal ${{ matrix.drupal-version }} | mysql ${{ matrix.mysql }} | test-suite ${{ matrix.test-suite }}