:bomb: will this explode? (it will)

.github/workflows/tests.yml

@@ -25,6 +25,7 @@ jobs:
           - "8.0"
           - "8.1"
           - "8.2"
+          - "8.3"
 
     env:
       PHAN_ALLOW_XDEBUG: 0
@@ -96,6 +97,7 @@ jobs:
           - "8.0"
           - "8.1"
           - "8.2"
+          - "8.3"
 
     steps:
       - name: "Checkout"