fix(deps): update dependency strip-bom to v4 (#1717)

Author: renovate[bot]

package-lock.json

@@ -72,7 +72,7 @@
     "sign-addon": "0.3.1",
     "source-map-support": "0.5.13",
     "stream-to-promise": "2.2.0",
-    "strip-bom": "3.0.0",
+    "strip-bom": "4.0.0",
     "strip-json-comments": "3.0.1",
     "tmp": "0.1.0",
     "update-notifier": "3.0.1",