chore: update dependencies

Bumping formidable to version 1.2.2 fixes the error with the
crash uploads:

TypeError [ERR_INVALID_ARG_TYPE]:
The "offset" argument must be of type number. Received type string

Bumping minidump to 0.11.0 fixes Windows build issue.

package.json

@@ -16,14 +16,14 @@
     "dirty": "0.9.7",
     "express": "^4.14.1",
     "express-json": "^1.0.0",
-    "formidable": "~1.0.14",
+    "formidable": "~1.2.2",
     "fs-plus": "0.10.0",
     "github-releases": "0.1.x",
     "glob": "3.x",
     "grunt": "^0.4.5",
     "jade": "~0.35.0",
     "method-override": "^2.3.5",
-    "minidump": "0.3.0",
+    "minidump": "0.11.0",
     "mkdirp": "~0.3.5",
     "node-uuid": "~1.4.1",
     "temp": "0.7.0",