🎨 Increase deployment target

Author: lukasackee

OpenGoogleSignInSDK.xcodeproj/project.pbxproj

@@ -311,7 +311,7 @@
 					"SWIFT_PACKAGE=1",
 					"DEBUG=1",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 10.10;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				ONLY_ACTIVE_ARCH = YES;
 				OTHER_SWIFT_FLAGS = "$(inherited) -DXcode";
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -395,7 +395,7 @@
 					"$(inherited)",
 					"SWIFT_PACKAGE=1",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 10.10;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				OTHER_SWIFT_FLAGS = "$(inherited) -DXcode";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;

Package.swift

@@ -5,7 +5,7 @@ let package = Package(
     name: "OpenGoogleSignInSDK",
     platforms: [
         .iOS(.v12),
-        .macOS("10.9")
+        .macOS(.v10_15)
     ],
     products: [
         .library(