Drop PHP 8.0 support

Author: LukeTowers

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         operatingSystem: [ubuntu-latest]
-        phpVersion: ['8.0', '8.1', '8.2', '8.3']
+        phpVersion: ['8.1', '8.2', '8.3', '8.4']
         winterBranch: ['develop']
         include:
           - operatingSystem: ubuntu-latest