Enable Apple Generic Versioning for fastlane's increment_build_number

Author: mattrubin

Authenticator.xcodeproj/project.pbxproj

@@ -740,11 +740,13 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				BUNDLE_DISPLAY_NAME = "${PRODUCT_NAME} ∆";
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				CURRENT_PROJECT_VERSION = 0;
 				DEVELOPMENT_TEAM = WD7ETSN9J9;
 				INFOPLIST_FILE = Authenticator/Resources/Info.plist;
 				PRODUCT_BUNDLE_IDENTIFIER = me.mattrubin.authenticator.dev;
 				PRODUCT_NAME = Authenticator;
 				TARGETED_DEVICE_FAMILY = 1;
+				VERSIONING_SYSTEM = "apple-generic";
 			};
 			name = Debug;
 		};
@@ -755,11 +757,13 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				BUNDLE_DISPLAY_NAME = "${PRODUCT_NAME}";
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				CURRENT_PROJECT_VERSION = 0;
 				DEVELOPMENT_TEAM = WD7ETSN9J9;
 				INFOPLIST_FILE = Authenticator/Resources/Info.plist;
 				PRODUCT_BUNDLE_IDENTIFIER = me.mattrubin.authenticator;
 				PRODUCT_NAME = Authenticator;
 				TARGETED_DEVICE_FAMILY = 1;
+				VERSIONING_SYSTEM = "apple-generic";
 			};
 			name = Release;
 		};