Drop PHP 8.1 support

Author: lochmueller

.github/workflows/Test.yml

@@ -5,11 +5,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ["8.1", "8.2", "8.3"]
+        php: ["8.2", "8.3"]
         typo3: ["^12.4", "^13.4"]
-        exclude:
-          - php: "8.1"
-            typo3: "^13.4"
     runs-on: ubuntu-latest
     steps:
       - name: Checkout