🔧 Acorn v3 (Laravel 9.x), drop PHP 7.4 support (#3097)

Co-authored-by: retlehs <retlehs@users.noreply.github.com>
Co-authored-by: Brandon Nifong <brandon@tendency.me>

.github/workflows/main.yml

@@ -53,7 +53,7 @@ jobs:
     if: "!contains(github.event.head_commit.message, '[ci skip]')"
     strategy:
       matrix:
-        php: ['7.4', '8.0', '8.1']
+        php: ['8.0', '8.1']
 
     steps:
       - name: Checkout the project