Fix: 構文エラーを修正

Author: neet

package.json

@@ -175,7 +175,7 @@
     "url": "https://github.com/neet/vscode-qiita"
   },
   "bugs": {
-    "url": "https://github.com/neet/vscode-qiita/issues",
+    "url": "https://github.com/neet/vscode-qiita/issues"
   },
   "categories": ["Other"],
   "icon": "resources/icon.png",