Bump react-router from 6.26.0 to 7.6.1 in /frontend

Bumps [react-router](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router) from 6.26.0 to 7.6.1.
- [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/[email protected]/packages/react-router)

---
updated-dependencies:
- dependency-name: react-router
  dependency-version: 7.6.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

frontend/package.json

@@ -33,7 +33,7 @@
     "react-dom": "^18.3.1",
     "react-icons": "^5.5.0",
     "react-markdown": "^10.1.0",
-    "react-router": "^6.23.1",
+    "react-router": "^7.6.2",
     "react-router-dom": "^6.23.1",
     "rehype-raw": "^7.0.0",
     "remark-gfm": "^4.0.1",

frontend/yarn.lock

@@ -2953,6 +2953,11 @@ convert-source-map@^2.0.0:
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-2.0.0.tgz#4b560f649fc4e918dd0ab75cf4961e8bc882d82a"
   integrity sha512-Kvp459HrV2FEJ1CAsi1Ku+MY3kasH19TFykTz2xWmMeq6bk2NU3XXvfJ+Q61m0xktWwt+1HSYf3JZsTms3aRJg==
 
+cookie@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-1.0.2.tgz#27360701532116bd3f1f9416929d176afe1e4610"
+  integrity sha512-9Kr/j4O16ISv8zBBhJoi4bXOYNTkFLOqSL3UDB0njXxCXNezjeyVrJyGOWtgfs/q2km1gwBcfH8q1yEGoMYunA==
+
 copy-to-clipboard@^3.3.1:
   version "3.3.3"
   resolved "https://registry.yarnpkg.com/copy-to-clipboard/-/copy-to-clipboard-3.3.3.tgz#55ac43a1db8ae639a4bd99511c148cdd1b83a1b0"
@@ -6034,13 +6039,21 @@ react-router-dom@^6.23.1:
     "@remix-run/router" "1.19.0"
     react-router "6.26.0"
 
-[email protected], react-router@^6.23.1:
+[email protected]:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/react-router/-/react-router-6.26.0.tgz#d5af4c46835b202348ef2b7ddacd32a2db539fde"
   integrity sha512-wVQq0/iFYd3iZ9H2l3N3k4PL8EEHcb0XlU2Na8nEwmiXgIUElEH6gaJDtUQxJ+JFzmIXaQjfdpcGWaM6IoQGxg==
   dependencies:
     "@remix-run/router" "1.19.0"
 
+react-router@^7.6.2:
+  version "7.6.2"
+  resolved "https://registry.yarnpkg.com/react-router/-/react-router-7.6.2.tgz#9f48b343bead7d0a94e28342fc4f9ae29131520e"
+  integrity sha512-U7Nv3y+bMimgWjhlT5CRdzHPu2/KVmqPwKUCChW8en5P3znxUqwlYFlbmyj8Rgp1SF6zs5X4+77kBVknkg6a0w==
+  dependencies:
+    cookie "^1.0.1"
+    set-cookie-parser "^2.6.0"
+
 [email protected]:
   version "5.9.0"
   resolved "https://registry.yarnpkg.com/react-select/-/react-select-5.9.0.tgz#41325b7bfe8452a8d401b82fc4fb7d44a03e29c5"
@@ -6398,6 +6411,11 @@ semver@^7.5.4:
   resolved "https://registry.yarnpkg.com/semver/-/semver-7.6.3.tgz#980f7b5550bc175fb4dc09403085627f9eb33143"
   integrity sha512-oVekP1cKtI+CTDvHWYFUcMtsK/00wmAEfyqKfNdARm8u1wNVhSgaX7A8d4UuIlUI5e84iEwOhs7ZPYRmzU9U6A==
 
+set-cookie-parser@^2.6.0:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/set-cookie-parser/-/set-cookie-parser-2.7.1.tgz#3016f150072202dfbe90fadee053573cc89d2943"
+  integrity sha512-IOc8uWeOZgnb3ptbCURJWNjWUPcO3ZnTTdzsurqERrP6nPyv+paC55vJM0LpOlT2ne+Ix+9+CRG1MNLlyZ4GjQ==
+
 set-function-length@^1.2.1, set-function-length@^1.2.2:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/set-function-length/-/set-function-length-1.2.2.tgz#aac72314198eaed975cf77b2c3b6b880695e5449"