Update changelog.yml (#2037)

Added a label that triggers skipping of this job

Author: igaray

.github/workflows/changelog.yml

@@ -13,4 +13,4 @@ jobs:
     steps:
     - uses: dangoslen/changelog-enforcer@v3
       with:
-        skipLabels: pipelines,tests,documentation
+        skipLabels: nochangelog,pipelines,tests,documentation