Drop build step for 7.3 and reduce number of builds

Author: dennisvdvliet

.github/workflows/tests.yml

@@ -11,8 +11,8 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [ '7.3', '7.4', '8.0', '8.1' ]
-        stability: [ prefer-lowest, prefer-stable ]
+        php: [ '7.4', '8.0', '8.1', '8.2' ]
+        stability: [ prefer-stable ]
 
     name: PHP ${{ matrix.php }} - ${{ matrix.stability }}