chore(deps): bump express-rate-limit from 6.3.0 to 6.4.0 (lowlighter#1016) [skip ci]

Author: dependabot[bot]

package-lock.json

@@ -43,7 +43,7 @@
     "ejs": "^3.1.7",
     "emoji-name-map": "^1.2.9",
     "express": "^4.17.3",
-    "express-rate-limit": "^6.3.0",
+    "express-rate-limit": "^6.4.0",
     "jimp": "^0.16.1",
     "js-yaml": "^4.1.0",
     "linguist-js": "^2.4.2",