Bump form-data from 2.3.3 to 3.0.0

Bumps [form-data](https://github.com/form-data/form-data) from 2.3.3 to 3.0.0.
- [Release notes](https://github.com/form-data/form-data/releases)
- [Commits](https://github.com/form-data/form-data/commits/v3.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -48,7 +48,7 @@
     "debug": "~4.1.1",
     "dropzone": "~5.5.1",
     "ejs": "^2.6.1",
-    "form-data": "^2.3.3",
+    "form-data": "^3.0.0",
     "http-errors": "^1.7.3",
     "image-size": "^0.8.3",
     "jimp": "^0.9.3",