BAU: Bump i18next from 26.0.1 to 26.1.0 (#2815)

Author: AmritSidhu

package-lock.json

@@ -94,7 +94,7 @@
     "express": "5.2.1",
     "express-session": "1.19.0",
     "govuk-frontend": "5.14.0",
-    "i18next": "26.0.1",
+    "i18next": "26.1.0",
     "i18next-fs-backend": "2.6.4",
     "i18next-http-middleware": "3.9.3",
     "nunjucks": "3.2.4",