chore(deps): update dependency is-promise to v2.2.2

Author: renovate-bot

package-lock.json

@@ -48,7 +48,7 @@
     "eslint-plugin-prettier": "3.1.3",
     "fs-extra": "9.0.0",
     "husky": "4.2.5",
-    "is-promise": "2.1.0",
+    "is-promise": "2.2.2",
     "jest": "25.4.0",
     "lint-staged": "10.1.7",
     "prettier": "2.0.5",