Update to latest version of changelog-enforcer (#509)

Author: pacso

.github/workflows/tests.yaml

@@ -23,7 +23,7 @@ jobs:
         run: |
           echo "::set-output name=VERSION::$(cat ./lib/ice_cube/version.rb | grep VERSION | awk '{ print $3 }' | sed -e 's/\"//g')"
       - uses: actions/checkout@v2
-      - uses: dangoslen/changelog-enforcer@v2.2.0
+      - uses: dangoslen/changelog-enforcer@v2.3.1
         with:
           skipLabels: 'skip-changelog'
           expectedLatestVersion: ${{ steps.read-version.outputs.VERSION }}