build(deps-dev): bump tailwindcss from 3.4.15 to 4.1.16

Bumps [tailwindcss](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/tailwindcss) from 3.4.15 to 4.1.16.
- [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/v4.1.16/packages/tailwindcss)

---
updated-dependencies:
- dependency-name: tailwindcss
  dependency-version: 4.1.16
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -45,7 +45,7 @@
     "postcss": "8.5.6",
     "prettier": "^3.5.3",
     "prettier-plugin-tailwindcss": "^0.7.1",
-    "tailwindcss": "3.4.15",
+    "tailwindcss": "4.1.16",
     "ts-jest": "^29.4.5",
     "typescript": "5.9.3"
   }