fix: fixed some memory leaks (#2306)

Kit/helpers.swift

@@ -652,6 +652,7 @@ public func getIOProperties(_ entry: io_registry_entry_t) -> NSDictionary? {
 
 internal func getIOName(_ entry: io_registry_entry_t) -> String? {
     let pointer = UnsafeMutablePointer<io_name_t>.allocate(capacity: 1)
+    defer { pointer.deallocate() }
     
     let result = IORegistryEntryGetName(entry, pointer)
     if result != kIOReturnSuccess {

Modules/CPU/readers.swift

@@ -314,6 +314,7 @@ public class FrequencyReader: Reader<[Double]> {
         self.channels = self.getChannels()
         var dict: Unmanaged<CFMutableDictionary>?
         self.subscription = IOReportCreateSubscription(nil, self.channels, &dict, 0, nil)
+        dict?.release()
     }
     
     public override func read() {