Bump tailwindcss from 4.1.4 to 4.1.11 in /website

Bumps [tailwindcss](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/tailwindcss) from 4.1.4 to 4.1.11.
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/commits/v4.1.11/packages/tailwindcss)

---
updated-dependencies:
- dependency-name: tailwindcss
  dependency-version: 4.1.11
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

website/package.json

@@ -28,7 +28,7 @@
     "remark-math": "^6.0.0",
     "sharp": "^0.34.0",
     "starlight-blog": "^0.24.0",
-    "tailwindcss": "^4.1.3"
+    "tailwindcss": "^4.1.11"
   },
   "devDependencies": {
     "dlx": "^0.2.1",

website/yarn.lock

@@ -4319,11 +4319,16 @@ supports-hyperlinks@^2.2.0:
     has-flag "^4.0.0"
     supports-color "^7.0.0"
 
-tailwindcss@4.1.4, tailwindcss@^4.1.3:
+tailwindcss@4.1.4:
   version "4.1.4"
   resolved "https://registry.yarnpkg.com/tailwindcss/-/tailwindcss-4.1.4.tgz#27b3c910c6f1a47f4540451f3faf7cdd6d977a69"
   integrity sha512-1ZIUqtPITFbv/DxRmDr5/agPqJwF69d24m9qmM1939TJehgY539CtzeZRjbLt5G6fSy/7YqqYsfvoTEw9xUI2A==
 
+tailwindcss@^4.1.11:
+  version "4.1.11"
+  resolved "https://registry.yarnpkg.com/tailwindcss/-/tailwindcss-4.1.11.tgz#799af3e98c19c5baaefafc6e0c16304a0e684854"
+  integrity sha512-2E9TBm6MDD/xKYe+dvJZAmg3yxIEDNRc0jwlNyDg/4Fil2QcSLjFKGVff0lAf1jjeaArlG/M75Ey/EYr/OJtBA==
+
 tapable@^2.2.0:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-2.2.1.tgz#1967a73ef4060a82f12ab96af86d52fdb76eeca0"