fix(deps): update dependency form-data to v4 (#1965)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package-lock.json

@@ -178,7 +178,7 @@
     "@oclif/dev-cli": "^1.23.1",
     "@oclif/test": "^1.2.5",
     "ava": "^3.15.0",
-    "form-data": "^3.0.0",
+    "form-data": "^4.0.0",
     "from2-string": "^1.1.0",
     "globby": "^10.0.1",
     "got": "^11.8.1",

package.json

@@ -16,7 +16,7 @@
   "author": "Netlify",
   "license": "MIT",
   "dependencies": {
-    "form-data": "^3.0.0",
+    "form-data": "^4.0.0",
     "hashids": "^1.2.2"
   }
 }