chore(deps-dev): bump execa from 6.1.0 to 9.1.0

Bumps [execa](https://github.com/sindresorhus/execa) from 6.1.0 to 9.1.0.
- [Release notes](https://github.com/sindresorhus/execa/releases)
- [Commits](sindresorhus/execa@v6.1.0...v9.1.0)

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

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

package.json

@@ -43,7 +43,7 @@
     "translation"
   ],
   "devDependencies": {
-    "execa": "6.1.0",
+    "execa": "9.1.0",
     "mocha": "10.4.0",
     "nyc": "15.1.0",
     "semistandard": "16.0.1"