Merge pull request #8 from phparkitect/using-actions-checkout-v3

using actions/checkout v3 instead of v2

Author: AlessandroMinoccheri

.github/workflows/update_version.yml

@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           ref: main
           fetch-depth: '0'