Set macOS deployment target to 10.10 for UI applet

Must use CLI for older versions of macOS

macui/ZeroTier One.xcodeproj/project.pbxproj

@@ -333,7 +333,7 @@
 				COMBINE_HIDPI_IMAGES = YES;
 				INFOPLIST_FILE = "ZeroTier One/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.7;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.zerotier.ZeroTier-One";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "ZeroTier One/ZeroTier One-Bridging-Header.h";
@@ -348,7 +348,7 @@
 				COMBINE_HIDPI_IMAGES = YES;
 				INFOPLIST_FILE = "ZeroTier One/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.7;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.zerotier.ZeroTier-One";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "ZeroTier One/ZeroTier One-Bridging-Header.h";