Merge pull request #1 from wxMaxima-developers/dependabot/github_actions/actions/checkout-3

Bump actions/checkout from 2 to 3

Author: gunterkoenigsmann

.github/workflows/compile.yml

@@ -10,7 +10,7 @@ jobs:
 
     steps:
     - name: Checkout_git
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         # We must fetch at least the immediate parents so that if this is
         # a pull request then we can checkout the head.