Update schema-publish.yaml

Author: ralfhandl

.github/workflows/schema-publish.yaml

@@ -58,7 +58,7 @@ jobs:
           path: deploy
           labels: Overlay,Schema
           reviewers: earth2marsh,lornajane,mikekistler,miqui,handrews,ralfhandl
-          title: "Overlay - publish ${{ github.ref_name }} schema iterations"
+          title: "Overlay - publish schema iterations"
           commit-message: "New Overlay schema iterations published from ${{ github.ref_name }}"
           signoff: true
           body: |