Update CI

Author: dantleech

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
         strategy:
             matrix:
                 php-version:
-                    - '7.4'
+                    - '8.1'
 
         steps:
             -
@@ -52,7 +52,7 @@ jobs:
         strategy:
             matrix:
                 php-version:
-                    - '7.4'
+                    - '8.1'
 
         steps:
             -
@@ -85,8 +85,10 @@ jobs:
         strategy:
             matrix:
                 php-version:
-                    - '7.4'
-                    - '8.0'
+                    - '8.1'
+                    - '8.2'
+                    - '8.3'
+                    - '8.4'
 
         steps:
             -