Upgrade xcode project compatibility project according to Swift 5.2 minimum

Author: tsolomko

BitByteData.xcodeproj/project.pbxproj

@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 51;
+	objectVersion = 53;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -265,7 +265,7 @@
 				};
 			};
 			buildConfigurationList = 06F065531FFAE9EC00312A82 /* Build configuration list for PBXProject "BitByteData" */;
-			compatibilityVersion = "Xcode 10.0";
+			compatibilityVersion = "Xcode 11.4";
 			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (