dependencies minor updates

Author: lohanidamodar

templates/ruby/Gemfile.twig

@@ -1,4 +1,4 @@
 source 'https://rubygems.org'
 
-gem 'mime-types', '~> 3.1'
+gem 'mime-types', '~> 3.3.1'
 gemspec

templates/web/package.json.twig

@@ -32,7 +32,7 @@
     "typescript": "^4.2.3"
   },
   "dependencies": {
-    "cross-fetch": "^3.1.0",
+    "cross-fetch": "^3.1.4",
     "isomorphic-form-data": "^2.0.0"
   },
   "jsdelivr": "dist/iife/sdk.js",