build(deps): bump i18next in /frontend in the i18next group

Bumps the i18next group in /frontend with 1 update: [i18next](https://github.com/i18next/i18next).


Updates `i18next` from 25.0.2 to 25.1.1
- [Release notes](https://github.com/i18next/i18next/releases)
- [Changelog](https://github.com/i18next/i18next/blob/master/CHANGELOG.md)
- [Commits](https://github.com/i18next/i18next/compare/v25.0.2...v25.1.1)

---
updated-dependencies:
- dependency-name: i18next
  dependency-version: 25.1.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: i18next
...

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

frontend/package-lock.json

@@ -20,7 +20,7 @@
         "@zxcvbn-ts/language-common": "^3.0.4",
         "classnames": "^2.5.1",
         "date-fns": "^4.1.0",
-        "i18next": "^25.0.2",
+        "i18next": "^25.1.1",
         "react": "^19.1.0",
         "react-dom": "^19.1.0",
         "react-i18next": "^15.5.1",
@@ -9257,9 +9257,9 @@
       }
     },
     "node_modules/i18next": {
-      "version": "25.0.2",
-      "resolved": "https://registry.npmjs.org/i18next/-/i18next-25.0.2.tgz",
-      "integrity": "sha512-xWxgK8GAaPYkV9ia2tdgbtdM+qiC+ysVTBPvXhpCORU/+QkeQe3BSI7Crr+c4ZXULN1PfnXG/HY2n7HGx4KKBg==",
+      "version": "25.1.1",
+      "resolved": "https://registry.npmjs.org/i18next/-/i18next-25.1.1.tgz",
+      "integrity": "sha512-FZcp3vk3PXc8onasbsWYahfeDIWX4LkKr4vd01xeXrmqyNXlVNtVecEIw2K1o8z3xYrHMcd1bwYQub+3g7zqCw==",
       "funding": [
         {
           "type": "individual",

frontend/package.json

@@ -30,7 +30,7 @@
     "@zxcvbn-ts/language-common": "^3.0.4",
     "classnames": "^2.5.1",
     "date-fns": "^4.1.0",
-    "i18next": "^25.0.2",
+    "i18next": "^25.1.1",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
     "react-i18next": "^15.5.1",