chore(deps): bump i18next-fs-backend from 2.3.2 to 2.6.4

Bumps [i18next-fs-backend](https://github.com/i18next/i18next-fs-backend) from 2.3.2 to 2.6.4.
- [Changelog](https://github.com/i18next/i18next-fs-backend/blob/master/CHANGELOG.md)
- [Commits](i18next/i18next-fs-backend@v2.3.2...v2.6.4)

---
updated-dependencies:
- dependency-name: i18next-fs-backend
  dependency-version: 2.6.4
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -146,7 +146,7 @@
     "helmet": "7.1.0",
     "i18next": "23.12.3",
     "i18next-browser-languagedetector": "8.0.0",
-    "i18next-fs-backend": "2.3.2",
+    "i18next-fs-backend": "2.6.4",
     "i18next-http-backend": "2.5.2",
     "knex": "3.1.0",
     "leaflet": "1.9.4",

yarn.lock

@@ -5448,10 +5448,10 @@ i18next-browser-languagedetector@8.0.0:
   dependencies:
     "@babel/runtime" "^7.23.2"
 
-i18next-fs-backend@2.3.2:
-  version "2.3.2"
-  resolved "https://registry.yarnpkg.com/i18next-fs-backend/-/i18next-fs-backend-2.3.2.tgz#580b91c9a306b452112e0a1ad3b07e9fd266e567"
-  integrity sha512-LIwUlkqDZnUI8lnUxBnEj8K/FrHQTT/Sc+1rvDm9E8YvvY5YxzoEAASNx+W5M9DfD5s77lI5vSAFWeTp26B/3Q==
+i18next-fs-backend@2.6.4:
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/i18next-fs-backend/-/i18next-fs-backend-2.6.4.tgz#563fc7eb740e2b9edc3e544c2b171c9afb0e0ea4"
+  integrity sha512-lzbUnowXYd5RFO8flpQhd9khYWNgrzwtxHw1kktJCiTRBaAEiLB2t9EPSXRj8qlC7WcEgFDIsmBUixyludcznw==
 
 i18next-http-backend@2.5.2:
   version "2.5.2"