Support PHP 8.1

SimonFrings · SimonFrings · commit 9f8cb1f442bf · 2021-11-15T16:37:51.000+01:00
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -14,6 +14,7 @@ jobs:
           - ubuntu-20.04
           - windows-2019
         php:
+          - 8.1
           - 8.0
           - 7.4
           - 7.3
