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

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


Updates `react-i18next` from 15.6.0 to 15.6.1
- [Changelog](https://github.com/i18next/react-i18next/blob/master/CHANGELOG.md)
- [Commits](https://github.com/i18next/react-i18next/compare/v15.6.0...v15.6.1)

---
updated-dependencies:
- dependency-name: react-i18next
  dependency-version: 15.6.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: i18next
...

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

frontend/package-lock.json

@@ -23,7 +23,7 @@
         "i18next": "^25.3.2",
         "react": "^19.1.0",
         "react-dom": "^19.1.0",
-        "react-i18next": "^15.6.0",
+        "react-i18next": "^15.6.1",
         "swagger-ui-dist": "^5.27.0",
         "valibot": "^1.1.0",
         "vaul": "^1.1.2"
@@ -11169,9 +11169,10 @@
       }
     },
     "node_modules/react-i18next": {
-      "version": "15.6.0",
-      "resolved": "https://registry.npmjs.org/react-i18next/-/react-i18next-15.6.0.tgz",
-      "integrity": "sha512-W135dB0rDfiFmbMipC17nOhGdttO5mzH8BivY+2ybsQBbXvxWIwl3cmeH3T9d+YPBSJu/ouyJKFJTtkK7rJofw==",
+      "version": "15.6.1",
+      "resolved": "https://registry.npmjs.org/react-i18next/-/react-i18next-15.6.1.tgz",
+      "integrity": "sha512-uGrzSsOUUe2sDBG/+FJq2J1MM+Y4368/QW8OLEKSFvnDflHBbZhSd1u3UkW0Z06rMhZmnB/AQrhCpYfE5/5XNg==",
+      "license": "MIT",
       "dependencies": {
         "@babel/runtime": "^7.27.6",
         "html-parse-stringify": "^3.0.1"

frontend/package.json

@@ -33,7 +33,7 @@
     "i18next": "^25.3.2",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
-    "react-i18next": "^15.6.0",
+    "react-i18next": "^15.6.1",
     "swagger-ui-dist": "^5.27.0",
     "valibot": "^1.1.0",
     "vaul": "^1.1.2"