ci(cd): fix json contents

Author: rhahao

.github/workflows/check-version.yml

@@ -44,15 +44,21 @@ jobs:
         id: extract_version
         run: |
           VERSION=$(grep -oP 'The next release version is \K[0-9]+\.[0-9]+\.[0-9]+' release.log || echo "unknown")
+          echo "VERSION=$VERSION" >> $GITHUB_ENV
           echo "Extracted version: $VERSION"
-          cat <<EOF > $JSON_FILE
-          {
-            "schemaVersion": 1,
-            "label": "next version",
-            "message": "${VERSION}",
-            "color": "blue"
-          }
-          EOF
+      
+      - name: Create JSON file
+        run: |
+              cat <<EOF > $JSON_FILE
+              {
+                "schemaVersion": 1,
+                "label": "next version",
+                "message": "${VERSION}",
+                "color": "blue"
+              }
+              EOF
+        env:
+          VERSION: ${{ env.VERSION }}
 
       - name: Update Gist with badge
         env:
@@ -67,4 +73,4 @@ 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"}}}'