Updated minimum version requirement to macOS 10.15

Author: vineetchoudhary

AppBox.xcodeproj/project.pbxproj

@@ -1224,8 +1224,8 @@
 				INFOPLIST_FILE = AppBox/Info.plist;
 				LD_DYLIB_INSTALL_NAME = "";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
 				MARKETING_VERSION = 3.1.0;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				PRODUCT_BUNDLE_IDENTIFIER = com.developerinsider.AppBox;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				USER_HEADER_SEARCH_PATHS = "$(PROJECT_DIR)";
@@ -1270,8 +1270,8 @@
 				INFOPLIST_FILE = AppBox/Info.plist;
 				LD_DYLIB_INSTALL_NAME = "";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
 				MARKETING_VERSION = 3.1.0;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				PRODUCT_BUNDLE_IDENTIFIER = com.developerinsider.AppBox;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				USER_HEADER_SEARCH_PATHS = "$(PROJECT_DIR)";

Podfile

@@ -1,4 +1,4 @@
-platform :osx, '10.11'
+platform :osx, '10.15'
 inhibit_all_warnings!
 
 target :AppBox do