fix(deps): update dependency i18n to v0.15.1

Author: renovate[bot]

package-lock.json

@@ -51,7 +51,7 @@
     "formidable": "2.0.1",
     "fs-extra": "10.1.0",
     "helmet": "5.1.0",
-    "i18n": "0.15.0",
+    "i18n": "0.15.1",
     "jsonwebtoken": "8.5.1",
     "kv-logger": "0.5.3",
     "lodash": "4.17.21",
@@ -77,7 +77,7 @@
     "@types/cookie-parser": "1.4.3",
     "@types/formidable": "2.0.5",
     "@types/fs-extra": "9.0.13",
-    "@types/i18n": "0.13.4",
+    "@types/i18n": "0.13.5",
     "@types/jsonwebtoken": "8.5.9",
     "@types/lodash": "4.14.186",
     "@types/node-fetch": "2.6.2",