chore(deps): bump execa from 1.0.0 to 4.0.0

Bumps [execa](https://github.com/sindresorhus/execa) from 1.0.0 to 4.0.0.
- [Release notes](https://github.com/sindresorhus/execa/releases)
- [Commits](https://github.com/sindresorhus/execa/compare/v1.0.0...v4.0.0)

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

packages/create-freesewing-pattern/package.json

@@ -29,7 +29,7 @@
     "commander": "^2.19.0",
     "conf": "^2.2.0",
     "cp-file": "^7.0.0",
-    "execa": "^1.0.0",
+    "execa": "^4.0.0",
     "git-config-path": "^2.0.0",
     "github-username": "^4.1.0",
     "globby": "^9.0.0",