Drop support for php 7.x

Author: ebebbington

.github/workflows/main.yml

@@ -8,17 +8,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [7.3, 7.4, "8.0", 8.1, 8.2, 8.3]
-        symfony_process: [4, 5, 6, 7]
+        php: ["8.0", 8.1, 8.2, 8.3]
+        symfony_process: [7]
         exclude:
-          - php: 7.3
-            symfony_process: 6
-          - php: 7.4
-            symfony_process: 6
-          - php: 7.3
-            symfony_process: 7
-          - php: 7.4
-            symfony_process: 7
           - php: "8.0"
             symfony_process: 7
           - php: 8.1

composer.json

@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "php": "^7.3|^8.0|^8.1",
+        "php": "^8.0|^8.1",
         "symfony/process": "~4.0 || ~5.0 || ~6.0 || ~7.0",
         "guzzlehttp/guzzle": "^6.3 || ^7.0"
     },