npm: bump execa from 5.1.1 to 9.6.0

Bumps [execa](https://github.com/sindresorhus/execa) from 5.1.1 to 9.6.0.
- [Release notes](https://github.com/sindresorhus/execa/releases)
- [Commits](sindresorhus/execa@v5.1.1...v9.6.0)

---
updated-dependencies:
- dependency-name: execa
  dependency-version: 9.6.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -51,7 +51,7 @@
 		"danger-plugin-spellcheck": "^2.1.0",
 		"deploy-to-gh-pages": "^1.3.7",
 		"dockerfile_lint": "^0.3.4",
-		"execa": "^5.1.1",
+		"execa": "^9.6.0",
 		"git-cz": "^4.7.6",
 		"gitbook-cli": "^2.3.2",
 		"github-contributors-list": "^1.2.5",