Bump i18next from 25.8.18 to 25.8.20 in /Plan/react/dashboard (#4520)

Bumps [i18next](https://github.com/i18next/i18next) from 25.8.18 to 25.8.20.
- [Release notes](https://github.com/i18next/i18next/releases)
- [Changelog](https://github.com/i18next/i18next/blob/master/CHANGELOG.md)
- [Commits](i18next/i18next@v25.8.18...v25.8.20)

---
updated-dependencies:
- dependency-name: i18next
  dependency-version: 25.8.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Plan/react/dashboard/package.json

@@ -24,7 +24,7 @@
     "bootstrap": "^5.3.8",
     "export-to-csv": "^1.3.0",
     "highcharts": "^12.5.0",
-    "i18next": "^25.8.18",
+    "i18next": "^25.8.20",
     "i18next-chained-backend": "^5.0.2",
     "i18next-http-backend": "^3.0.2",
     "i18next-localstorage-backend": "^4.3.1",

Plan/react/dashboard/yarn.lock

@@ -1449,10 +1449,10 @@ i18next-localstorage-backend@^4.3.1:
   dependencies:
     "@babel/runtime" "^7.28.4"
 
-i18next@^25.8.18:
-  version "25.8.18"
-  resolved "https://registry.yarnpkg.com/i18next/-/i18next-25.8.18.tgz#51863b65bc42e3525271f2680ebbf7d150ff53cc"
-  integrity sha512-lzY5X83BiL5AP77+9DydbrqkQHFN9hUzWGjqjLpPcp5ZOzuu1aSoKaU3xbBLSjWx9dAzW431y+d+aogxOZaKRA==
+i18next@^25.8.20:
+  version "25.8.20"
+  resolved "https://registry.yarnpkg.com/i18next/-/i18next-25.8.20.tgz#6bdf1334e79fd19d7ceadbaaeceb9ca2f63855b4"
+  integrity sha512-xjo9+lbX/P1tQt3xpO2rfJiBppNfUnNIPKgCvNsTKsvTOCro1Qr/geXVg1N47j5ScOSaXAPq8ET93raK3Rr06A==
   dependencies:
     "@babel/runtime" "^7.28.6"