fix one more import

Author: t089

Sources/AWSLambdaRuntime/Context+Foundation.swift

@@ -14,7 +14,11 @@
 
 import AWSLambdaRuntimeCore
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import struct Foundation.Date
+#endif
 
 extension LambdaContext {
     var deadlineDate: Date {