build(deps): bump react-i18next from 15.0.2 to 15.4.0 in /frontend

Bumps [react-i18next](https://github.com/i18next/react-i18next) from 15.0.2 to 15.4.0.
- [Changelog](https://github.com/i18next/react-i18next/blob/master/CHANGELOG.md)
- [Commits](https://github.com/i18next/react-i18next/compare/v15.0.2...v15.4.0)

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

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

frontend/package-lock.json

@@ -19,7 +19,7 @@
         "react-dom": "^18.3.1",
         "react-dropzone": "^14.3.5",
         "react-helmet": "^6.1.0",
-        "react-i18next": "^15.0.2",
+        "react-i18next": "^15.4.0",
         "react-markdown": "^9.0.1",
         "react-redux": "^8.0.5",
         "react-router-dom": "^7.1.1",
@@ -7865,9 +7865,9 @@
       }
     },
     "node_modules/react-i18next": {
-      "version": "15.0.2",
-      "resolved": "https://registry.npmjs.org/react-i18next/-/react-i18next-15.0.2.tgz",
-      "integrity": "sha512-z0W3/RES9Idv3MmJUcf0mDNeeMOUXe+xoL0kPfQPbDoZHmni/XsIoq5zgT2MCFUiau283GuBUK578uD/mkAbLQ==",
+      "version": "15.4.0",
+      "resolved": "https://registry.npmjs.org/react-i18next/-/react-i18next-15.4.0.tgz",
+      "integrity": "sha512-Py6UkX3zV08RTvL6ZANRoBh9sL/ne6rQq79XlkHEdd82cZr2H9usbWpUNVadJntIZP2pu3M2rL1CN+5rQYfYFw==",
       "dependencies": {
         "@babel/runtime": "^7.25.0",
         "html-parse-stringify": "^3.0.1"

frontend/package.json

@@ -30,7 +30,7 @@
     "react-dom": "^18.3.1",
     "react-helmet": "^6.1.0",
     "react-dropzone": "^14.3.5",
-    "react-i18next": "^15.0.2",
+    "react-i18next": "^15.4.0",
     "react-markdown": "^9.0.1",
     "react-redux": "^8.0.5",
     "react-router-dom": "^7.1.1",