Add edit step

Author: znichollscr

.github/workflows/slash-command-dispatch.yaml

@@ -6,7 +6,7 @@ on:
     types: [created]
 
 jobs:
-  slashCommandDispatch:
+  command-dispatch:
     runs-on: ubuntu-latest
     steps:
       - name: Dispatch
@@ -22,3 +22,13 @@ jobs:
           static-args: |
             repository=${{ github.repository }}
             comment-id=${{ github.event.comment.id }}
+
+      - name: Update comment with error message
+        if: steps.scd.outputs.error-message
+        uses: peter-evans/create-or-update-comment@v5
+        with:
+          comment-id: ${{ github.event.comment.id }}
+          body: |
+            **Errors:**
+
+            ${{ steps.scd.outputs.error-message }}