Restrict tests to 7.3+

Author: MGatner

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        php-versions: ['7.2', '7.3', '7.4']
+        php-versions: ['7.3', '7.4']
 
     runs-on: ubuntu-latest