Bump deployment targets to the current version minus one

Author: mattrubin

OneTimePassword.xcodeproj/project.pbxproj

@@ -576,11 +576,11 @@
 			baseConfigurationReference = C996EC2C1A74D5830076B105 /* Debug.xcconfig */;
 			buildSettings = {
 				DEAD_CODE_STRIPPING = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
-				MACOSX_DEPLOYMENT_TARGET = 10.15;
+				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				SWIFT_TREAT_WARNINGS_AS_ERRORS = NO;
 				SWIFT_VERSION = 5.0;
-				WATCHOS_DEPLOYMENT_TARGET = 6.0;
+				WATCHOS_DEPLOYMENT_TARGET = 9.0;
 			};
 			name = Debug;
 		};
@@ -589,11 +589,11 @@
 			baseConfigurationReference = C996EC2E1A74D5830076B105 /* Release.xcconfig */;
 			buildSettings = {
 				DEAD_CODE_STRIPPING = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
-				MACOSX_DEPLOYMENT_TARGET = 10.15;
+				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				SWIFT_TREAT_WARNINGS_AS_ERRORS = NO;
 				SWIFT_VERSION = 5.0;
-				WATCHOS_DEPLOYMENT_TARGET = 6.0;
+				WATCHOS_DEPLOYMENT_TARGET = 9.0;
 			};
 			name = Release;
 		};

Package.swift

@@ -4,9 +4,9 @@ import PackageDescription
 let package = Package(
     name: "OneTimePassword",
     platforms: [
-        .iOS(.v13),
-        .macOS(.v10_15),
-        .watchOS(.v6),
+        .iOS(.v16),
+        .macOS(.v13),
+        .watchOS(.v9),
     ],
     products: [
         .library(