chore(deps-dev): bump execa from 3.2.0 to 3.3.0 (#403)

Author: dependabot-preview[bot]

package.json

@@ -77,7 +77,7 @@
     "del-cli": "3.0.0",
     "eslint": "6.6.0",
     "esm": "3.2.25",
-    "execa": "3.2.0",
+    "execa": "3.3.0",
     "husky": "3.0.9",
     "lint-staged": "9.4.2",
     "markdownlint-cli": "0.19.0",