SWIFT-1483 Update "versioned API" references to "stable API" (#740)

Author: kmahar

Sources/MongoSwift/MongoClient.swift

@@ -69,8 +69,8 @@ public struct MongoClientOptions: CodingStrategyProvider {
     /// Determines whether the client should retry supported write operations (on by default).
     public var retryWrites: Bool?
 
-    // TODO: SWIFT-1159: add versioned API docs link.
     /// Specifies a MongoDB server API version and related options.
+    /// - SeeAlso: https://docs.mongodb.com/manual/reference/stable-api/
     public var serverAPI: MongoServerAPI?
 
     /// Specifies how long the driver should attempt to select a server for before throwing an error. Defaults to 30

Sources/MongoSwift/MongoServerAPI.swift

@@ -1,7 +1,7 @@
 import CLibMongoC
 
 /// A type containing options for specifying a MongoDB server API version and related behavior.
-/// - SeeAlso: https://docs.mongodb.com/manual/reference/versioned-api/
+/// - SeeAlso: https://docs.mongodb.com/manual/reference/stable-api/
 public struct MongoServerAPI: Codable {
     /// Represents a server API version.
     public struct Version: Codable, Equatable, LosslessStringConvertible {