deps: bump execa from 8.0.1 to 9.5.2

Bumps [execa](https://github.com/sindresorhus/execa) from 8.0.1 to 9.5.2.
- [Release notes](https://github.com/sindresorhus/execa/releases)
- [Commits](sindresorhus/execa@v8.0.1...v9.5.2)

---
updated-dependencies:
- dependency-name: execa
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -168,7 +168,7 @@
     "@playwright/test": "^1.33.0",
     "@types/polka": "^0.5.4",
     "@types/stoppable": "^1.1.1",
-    "execa": "^8.0.1",
+    "execa": "^9.5.2",
     "p-defer": "^4.0.0",
     "polka": "^0.5.2",
     "sirv": "^2.0.2",