fix: drop php 7.2

Author: atymic

.github/workflows/tests.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [7.2, 7.3, 7.4, 8.0]
+        php: [7.3, 7.4, 8.0]
 
     name: Tests on PHP ${{ matrix.php }} - ${{ matrix.stability }}