Bump react-router from 7.9.6 to 7.12.0 (#1164)

Bumps [react-router](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router) from 7.9.6 to 7.12.0.
- [Release notes](https://github.com/remix-run/react-router/releases)
- [Changelog](https://github.com/remix-run/react-router/blob/main/packages/react-router/CHANGELOG.md)
- [Commits](https://github.com/remix-run/react-router/commits/react-router@7.12.0/packages/react-router)

---
updated-dependencies:
- dependency-name: react-router
  dependency-version: 7.12.0
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -59,7 +59,7 @@
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
     "react-markdown": "^10.1.0",
-    "react-router": "^7.9.4",
+    "react-router": "^7.12.0",
     "react-router-dom": "^7.9.4",
     "react-router-mdx": "patch:react-router-mdx@npm%3A1.0.8#~/.yarn/patches/react-router-mdx-npm-1.0.8-d4402c3003.patch",
     "rehype-slug": "^6.0.0",

yarn.lock

@@ -8056,7 +8056,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"react-router@npm:7.9.6, react-router@npm:^7.9.4":
+"react-router@npm:7.9.6":
   version: 7.9.6
   resolution: "react-router@npm:7.9.6"
   dependencies:
@@ -8072,6 +8072,22 @@ __metadata:
   languageName: node
   linkType: hard
 
+"react-router@npm:^7.12.0":
+  version: 7.12.0
+  resolution: "react-router@npm:7.12.0"
+  dependencies:
+    cookie: "npm:^1.0.1"
+    set-cookie-parser: "npm:^2.6.0"
+  peerDependencies:
+    react: ">=18"
+    react-dom: ">=18"
+  peerDependenciesMeta:
+    react-dom:
+      optional: true
+  checksum: 10c0/abde366f716cb3961a5a390c278375c0591bace5773e1b4420001f0a913b4dd53d490e7dea866acebcac2c0fa07378aa83702769d449449027406ed517a8ea00
+  languageName: node
+  linkType: hard
+
 "react@npm:^19.1.0":
   version: 19.2.0
   resolution: "react@npm:19.2.0"
@@ -8448,7 +8464,7 @@ __metadata:
     react: "npm:^19.1.0"
     react-dom: "npm:^19.1.0"
     react-markdown: "npm:^10.1.0"
-    react-router: "npm:^7.9.4"
+    react-router: "npm:^7.12.0"
     react-router-dom: "npm:^7.9.4"
     react-router-mdx: "patch:react-router-mdx@npm%3A1.0.8#~/.yarn/patches/react-router-mdx-npm-1.0.8-d4402c3003.patch"
     rehype-slug: "npm:^6.0.0"