fix spec

Author: lohanidamodar

appwrite.gemspec

@@ -9,5 +9,5 @@ Gem::Specification.new do |spec|
   spec.email = 'team@appwrite.io'
   spec.files = Dir['lib/**/*.rb']
 
-  spec.add_dependency 'mime-types', '~> 3.4.1'
+  spec.add_dependency 'mime-types', '~> 3.3.1'
 end