int: Update actions versions

Author: Stefano Moia

.github/workflows/auto-release.yml

@@ -19,7 +19,7 @@ jobs:
         shell: bash
     steps:
     - name: Checkout source
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         # Fetch all history for all branches and tags
         fetch-depth: 0

.github/workflows/pythonpublish.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Set up Python
         uses: actions/setup-python@v1
         with: