Only care about PHP 8

Author: derickr

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php: [7.0, 7.1, 7.2, 7.3, 7.4, 8.0, 8.1]
+                php: [8.0, 8.1, 8.2, 8.3]
 
         steps:
             -   uses: actions/checkout@v2