Add dependency on ostruct gem (#491)

* Add dependency for ostruct

* Update CHANGELOG.md

Author: mrashed-dev

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Changelog
 
 ### Unreleased
+* Added dependency on `ostruct` gem
 * Enable SDK to reattach large files to messages on retry
 
 ### 6.1.1 / 2024-08-20

nylas.gemspec

@@ -12,6 +12,7 @@ Gem::Specification.new do |gem|
 
   # Runtime dependencies
   gem.add_runtime_dependency "mime-types", "~> 3.5", ">= 3.5.1"
+  gem.add_runtime_dependency "ostruct", "~> 0.6"
   gem.add_runtime_dependency "rest-client", ">= 2.0.0", "< 3.0"
   gem.add_runtime_dependency "yajl-ruby", "~> 1.4.3", ">= 1.2.1"