chore(deps): update dependency i18next-fs-backend to v2.6.1 (#2427)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -80,7 +80,7 @@
     "highlight.js": "11.11.1",
     "i18next": "25.6.2",
     "i18next-chained-backend": "4.6.2",
-    "i18next-fs-backend": "2.6.0",
+    "i18next-fs-backend": "2.6.1",
     "i18next-http-backend": "3.0.2",
     "i18next-localstorage-backend": "4.2.0",
     "lodash": "4.17.21",