ci(cd): fix json transmission

Author: rhahao

.github/workflows/check-version.yml

@@ -67,4 +67,4 @@ jobs:
             -H "Authorization: Bearer ${GIST_TOKEN}" \
             -H "X-GitHub-Api-Version: 2022-11-28" \
             https://api.github.com/gists/${GIST_ID} \
-            -d '{"files":{${JSON_FILE}:{"content":${JSON_CONTENT}}}}'
+            -d '{"files":{$JSON_FILE:{"content":$JSON_CONTENT}}}'