Fix variable expansion in curl JSON object

.github/workflows/build-and-publish.yml

@@ -71,11 +71,12 @@ jobs:
         run: |
           community_tag=$( echo ${{ github.ref }} | cut -d'/' -f3 )
           hpcc_version=$( echo $community_tag | sed 's/community_//' | sed 's/-[0-9]$//' )
+          data="{\"ref\":\"main\", \"inputs\": { \"hpccVersion\":\"$hpcc_version\",\"hpccSrcBranch\":\"$community_tag\" }}"
           curl -L \
           -X POST \
           -H "Accept: application/vnd.github+json" \
           -H "Authorization: Bearer ${{ secrets.GAHT_TOKEN }}" \
           -H "X-GitHub-Api-Version: 2022-11-28" \
           https://api.github.com/repos/xwang2713/github-action-hpcc-terraform/actions/workflows/$WF_YAML_FILE/dispatches \
-          -d '{"ref":"main", "inputs": { "hpccVersion":"$hpcc_version", "hpccSrcBranch":"$community_tag" }}'
+          -d "${data}"