Bump undici from 7.8.0 to 7.18.2

Bumps [undici](https://github.com/nodejs/undici) from 7.8.0 to 7.18.2.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v7.8.0...v7.18.2)

---
updated-dependencies:
- dependency-name: undici
  dependency-version: 7.18.2
  dependency-type: direct:development
...

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

Author: dependabot[bot]

package.json

@@ -145,7 +145,7 @@
     "typed-emitter": "^2.1.0",
     "typescript": "^5.8.3",
     "typescript-eslint": "^8.34.1",
-    "undici": "^7.8.0",
+    "undici": "^7.18.2",
     "unimported": "^1.31.1",
     "vite-plugin-svgr": "^4.3.0",
     "xvfb-maybe": "^0.2.1"