Merge pull request #5 from ja573/main

Update checkout action to use Node v20

action.yml

@@ -12,7 +12,7 @@ runs:
   using: "composite"
   steps:
   - name: Check out repository code
-    uses: actions/checkout@v3
+    uses: actions/checkout@v4
     with:
       fetch-depth: 0
   - name: Check for changes in changelog