Update dependency react-i18next to v16

Author: renovate[bot]

package.json

@@ -133,7 +133,7 @@
     "react-dom": "19.1.1",
     "react-google-recaptcha": "3.1.0",
     "react-html-id": "0.1.5",
-    "react-i18next": "15.7.4",
+    "react-i18next": "16.3.3",
     "react-onclickoutside": "6.13.2",
     "react-popper": "2.3.0",
     "react-router": "7.7.1",

yarn.lock

@@ -20571,14 +20571,15 @@ __metadata:
   languageName: node
   linkType: hard
 
-"react-i18next@npm:15.7.4":
-  version: 15.7.4
-  resolution: "react-i18next@npm:15.7.4"
+"react-i18next@npm:16.3.3":
+  version: 16.3.3
+  resolution: "react-i18next@npm:16.3.3"
   dependencies:
     "@babel/runtime": "npm:^7.27.6"
     html-parse-stringify: "npm:^3.0.1"
+    use-sync-external-store: "npm:^1.6.0"
   peerDependencies:
-    i18next: ">= 23.4.0"
+    i18next: ">= 25.6.2"
     react: ">= 16.8.0"
     typescript: ^5
   peerDependenciesMeta:
@@ -20588,7 +20589,7 @@ __metadata:
       optional: true
     typescript:
       optional: true
-  checksum: 10c0/643c5d3ced4b44084c871a55e876159561c14f378f90bf53286c1291082703e293573da18ad692b43b357b60d2f7251bc417feb0b522de8cec5c414e5ebdf6c1
+  checksum: 10c0/9c898c76d19c2f9046287824a0ab1317a39e5c29bad798793d9f89f516c818fedb0783e7bc75556e0554b3d6ee9d671d4ebc18e7f4f802ce259be2c7c3317885
   languageName: node
   linkType: hard
 
@@ -21772,7 +21773,7 @@ __metadata:
     react-dom: "npm:19.1.1"
     react-google-recaptcha: "npm:3.1.0"
     react-html-id: "npm:0.1.5"
-    react-i18next: "npm:15.7.4"
+    react-i18next: "npm:16.3.3"
     react-onclickoutside: "npm:6.13.2"
     react-popper: "npm:2.3.0"
     react-router: "npm:7.7.1"
@@ -24407,7 +24408,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"use-sync-external-store@npm:^1.4.0":
+"use-sync-external-store@npm:^1.4.0, use-sync-external-store@npm:^1.6.0":
   version: 1.6.0
   resolution: "use-sync-external-store@npm:1.6.0"
   peerDependencies: