Update github actions and tested node versions

.github/workflows/enforce-changelog.yml

@@ -1,4 +1,5 @@
 # This workflow enforces the update of a changelog file on every pull request
+# For more information see: https://github.com/dangoslen/changelog-enforcer
 
 name: "Enforce Changelog"
 
@@ -11,10 +12,8 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
       - name: Enforce changelog️
-        uses: dangoslen/changelog-enforcer@v2
+        uses: dangoslen/changelog-enforcer@v3
         with:
           changeLogPath: "CHANGELOG.md"
           skipLabels: "Skip Changelog"