- updated Swift version to 5.0

Author: hackiftekhar

IQKeyboardManager.xcodeproj/project.pbxproj

@@ -734,7 +734,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -768,7 +768,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.Iftekhar.IQKeyboardManagerSwift;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};