remove single quotes from heredocs JSON

Author: Tofel

.github/workflows/build-publish.yml

@@ -212,14 +212,14 @@ jobs:
           products: |
             ccip-prereleases-prod-testnet
 
-  emit-image-publish-finished-event:
-    name: Emit image publish finished event
+  emit-pre-release-image-published-event:
+    name: Emit pre-release image published event
     needs: [ docker-core ]
     runs-on: ubuntu-latest
     permissions:
       contents: write
     steps:
-      - name: Emit image publish finished event
+      - name: Emit pre-release image published event
         env:
           DOCKER_MANIFEST_TAG: ${{ needs.docker-core.outputs.docker-manifest-tag }}
           GITHUB_REF_NAME: ${{ github.ref_name }}
@@ -229,7 +229,7 @@ jobs:
             --method POST \
             -H "Accept: application/vnd.github+json" \
             "/repos/${GITHUB_REPOSITORY}/dispatches" \
-            --input - <<'JSON'
+            --input - <<JSON
           {
             "event_type": "pre-release-image-published",
             "client_payload": {