chore: Update swift to Swift in comments

Co-authored-by: Mark Pospesel <[email protected]>

Author: scottmarchant

Sources/DispatchAsync/DispatchGroup.swift

@@ -17,15 +17,15 @@
 // It is designed to safely elide away if and when Dispatch is introduced
 // in the required Dispatch support becomes available.
 #if os(WASI) && !canImport(Dispatch)
-/// Drop-in replacement for ``Dispatch.DispatchGroup``, implemented using pure swift.
+/// Drop-in replacement for ``Dispatch.DispatchGroup``, implemented using pure Swift.
 @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
 public typealias DispatchGroup = DispatchAsync.DispatchGroup
 #endif
 
 extension DispatchAsync {
     // MARK: - Public Interface for Non-Async Usage -
 
-    /// Drop-in replacement for ``Dispatch.DispatchGroup``, implemented using pure swift.
+    /// Drop-in replacement for ``Dispatch.DispatchGroup``, implemented using pure Swift.
     ///
     /// The primary goal of this implementation is to enable WASM support for Dispatch.
     ///

Sources/DispatchAsync/DispatchQueue.swift

@@ -17,13 +17,13 @@
 // It is designed to safely elide away if and when Dispatch is introduced
 // in the required Dispatch support becomes available.
 #if os(WASI) && !canImport(Dispatch)
-/// Drop-in replacement for ``Dispatch.DispatchQueue``, implemented using pure swift.
+/// Drop-in replacement for ``Dispatch.DispatchQueue``, implemented using pure Swift.
 @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
 public typealias DispatchQueue = DispatchAsync.DispatchQueue
 #endif
 
 extension DispatchAsync {
-    /// Drop-in replacement for ``Dispatch.DispatchQueue``, implemented using pure swift.
+    /// Drop-in replacement for ``Dispatch.DispatchQueue``, implemented using pure Swift.
     ///
     /// The primary goal of this implementation is to enable WASM support for Dispatch.
     ///

Sources/DispatchAsync/DispatchSemaphore.swift

@@ -17,7 +17,7 @@
 // It is designed to safely elide away if and when Dispatch is introduced
 // in the required Dispatch support becomes available.
 #if os(WASI) && !canImport(Dispatch)
-/// Drop-in replacement for ``Dispatch.DispatchSemaphore``, implemented using pure swift.
+/// Drop-in replacement for ``Dispatch.DispatchSemaphore``, implemented using pure Swift.
 @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
 public typealias DispatchSemaphore = DispatchAsync.DispatchSemaphore
 #endif // os(WASI) && !canImport(Dispatch)