Small corrections so that universal library is built for correct SDK

ft8_lib.xcodeproj/project.pbxproj

@@ -745,7 +745,7 @@
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_LINK_WITH_DYNAMIC_LIBRARIES = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
-				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_OPTIMIZATION_LEVEL = 3;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"DEBUG=1",
 					"$(inherited)",
@@ -758,7 +758,7 @@
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				GENERATE_MASTER_OBJECT_FILE = NO;
 				HEADER_SEARCH_PATHS = "${PROJECT_DIR}/**";
-				MACOSX_DEPLOYMENT_TARGET = 11.3;
+				MACOSX_DEPLOYMENT_TARGET = 11.0;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
@@ -814,7 +814,7 @@
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				GENERATE_MASTER_OBJECT_FILE = NO;
 				HEADER_SEARCH_PATHS = "${PROJECT_DIR}/**";
-				MACOSX_DEPLOYMENT_TARGET = 11.3;
+				MACOSX_DEPLOYMENT_TARGET = 11.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
 				SDKROOT = macosx;

ft8_lib.xcodeproj/xcshareddata/xcschemes/Build all.xcscheme

@@ -31,7 +31,7 @@
       </Testables>
    </TestAction>
    <LaunchAction
-      buildConfiguration = "Debug"
+      buildConfiguration = "Release"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       launchStyle = "0"