Bumped supported PHP version to 7.3.

Author: CraicOverflow89

.github/workflows/main.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: [7.2.5, 7.3, 7.4, 8.0]
+        php: [7.3, 7.4, 8.0]
         symfony_process: [3.4, 4.0, 5.0]
 
     steps:

composer.json

@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "php": "^7.2.5|^8.0",
+        "php": "^7.3|^8.0",
         "symfony/process": "~3.4 || ~4.0 || ~5.0",
         "guzzlehttp/guzzle": "^6.3"
     },