Create fragment.yml

.github/workflows/fragment.yml

@@ -0,0 +1,10 @@
+on:
+  pull_request:
+
+jobs:
+    steps:
+      - name: "Check for Changelog fragment"
+        uses: brettcannon/check-for-changed-files@v1
+        with:
+          file-pattern: "changelogs/fragments/*.yml"
+          failure-message: "Missing a Changelog fragment in ${file-pattern}; please add one or wait for a maintainer to push one or you."