Add OrderedCollections as Cocoapods dependency (#676)

`OrderedCollections` was added as an SPM dependency in v2.5.0 but not
included in the Podspec.

Author: ladvoc

.nanpa/ordered-collections-podfix.kdl

@@ -0,0 +1 @@
+patch type="fixed" "Add OrderedCollections as Cocoapods dependency"

LiveKitClient.podspec

@@ -18,6 +18,7 @@ Pod::Spec.new do |spec|
   spec.dependency("SwiftProtobuf")
   spec.dependency("Logging", "= 1.5.4")
   spec.dependency("DequeModule", "= 1.1.4")
+  spec.dependency("OrderedCollections", " = 1.1.4")
 
   spec.resource_bundles = {"Privacy" => ["Sources/LiveKit/PrivacyInfo.xcprivacy"]}