fix(deps): update dependency execa to v2.1.0

Author: renovate-bot

package-lock.json

@@ -115,7 +115,7 @@
     "bluebird": "3.7.0",
     "check-more-types": "2.24.0",
     "debug": "4.1.1",
-    "execa": "2.0.5",
+    "execa": "2.1.0",
     "lazy-ass": "1.6.0",
     "ps-tree": "1.2.0",
     "wait-on": "3.3.0"