Merge pull request #253 from lemmingDev/dependabot/github_actions/actions/checkout-4

Bump actions/checkout from 2 to 4

Author: lemmingDev

.github/workflows/main.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       # See: https://github.com/arduino/compile-sketches#readme
       - name: Compile sketches