Remove tests on non-supported PHP versions

.github/workflows/ci.yml

@@ -4,7 +4,7 @@ on:
     pull_request:
     push:
         branches:
-            - '3.x'
+            - '4.x'
 
 env:
     SYMFONY_PHPUNIT_DISABLE_RESULT_CACHE: 1
@@ -23,11 +23,6 @@ jobs:
         strategy:
             matrix:
                 php-version:
-                    - '7.2.5'
-                    - '7.3'
-                    - '7.4'
-                    - '8.0'
-                    - '8.1'
                     - '8.2'
                     - '8.3'
                 experimental: [false]
@@ -70,11 +65,6 @@ jobs:
         strategy:
             matrix:
                 php-version:
-                    - '7.2.5'
-                    - '7.3'
-                    - '7.4'
-                    - '8.0'
-                    - '8.1'
                     - '8.2'
                     - '8.3'
                 extension: