fix(deps): update dependency i18next to v26

frontend/package-lock.json

@@ -19,7 +19,7 @@
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
         "date-fns": "^4.1.0",
-        "i18next": "^25.10.9",
+        "i18next": "^26.0.2",
         "i18next-browser-languagedetector": "^8.2.1",
         "lucide-react": "^1.6.0",
         "react": "^19.2.4",
@@ -7290,9 +7290,9 @@
       }
     },
     "node_modules/i18next": {
-      "version": "25.10.9",
-      "resolved": "https://registry.npmjs.org/i18next/-/i18next-25.10.9.tgz",
-      "integrity": "sha512-hQY9/bFoQKGlSKMlaCuLR8w1h5JjieqrsnZvEmj1Ja6Ec7fbyc4cTrCsY9mb9Sd8YQ/swsrKz1S9M8AcvVI70w==",
+      "version": "26.0.2",
+      "resolved": "https://registry.npmjs.org/i18next/-/i18next-26.0.2.tgz",
+      "integrity": "sha512-WsK0SdP+7tGzsxpT+Us1s2nvOyx657DatBodaNZe4KcPTPYzkVfRKUygN69mB+sCbbnifRuKz+Ya5JRzd8DNHw==",
       "funding": [
         {
           "type": "individual",