Simplify json body

Author: traut

.github/workflows/react-tests-dispatcher.yml

@@ -19,11 +19,5 @@ jobs:
             -H "Content-Type: application/json" \
             -H "Authorization: token ${{ secrets.WRITE_DETECTION_RULES_REACT_TOKEN }}" \
             "https://api.github.com/repos/elastic/react/actions/workflows/$REACT_WORKFLOW_ID/dispatches" \
-            -d '{
-              "ref": "main",
-              "inputs": {
-                "pr_branch": "${{ github.head_ref || github.ref_name }}",
-                "pr_id": "${{ github.event.number }}",
-              }
-            }'
+            -d '{"ref": "main", "inputs": {"pr_branch": "${{ github.head_ref || github.ref_name }}", "pr_id": "${{ github.event.number }}"}}'
             exit $?