chore: @hackmd/pandoc.js to 0.2.1

Signed-off-by: Yukai Huang <yukaihuangtw@gmail.com>

Author: Yukaii

package-lock.json

@@ -35,7 +35,7 @@
     "@hackmd/imgur": "~0.5.0",
     "@hackmd/lz-string": "~1.4.4",
     "@hackmd/meta-marked": "~0.5.0",
-    "@hackmd/pandoc.js": "^0.2.0",
+    "@hackmd/pandoc.js": "^0.2.1",
     "@mattermost/client": "^9.2.0",
     "@passport-next/passport-openid": "~1.0.0",
     "archiver": "~3.1.1",