Bump versions.

Make.versions

@@ -66,11 +66,11 @@ MAC_PACKAGE_VERSION=8.11.0.$(MAC_COMMIT_DISTANCE)
 # WARNING: Do **not** use versions higher than the available Xcode SDK or else we will have issues with mtouch (See https://github.com/xamarin/xamarin-macios/issues/7705)
 # When bumping the major macOS version in MACOS_NUGET_VERSION also update the macOS version where we execute on bots in jenkins/Jenkinsfile (in the 'node' element)
 
-IOS_NUGET_VERSION=15.4.303
-TVOS_NUGET_VERSION=15.4.303
-WATCHOS_NUGET_VERSION=8.5.303
-MACOS_NUGET_VERSION=12.3.303
-MACCATALYST_NUGET_VERSION=15.4.303
+IOS_NUGET_VERSION=15.4.304
+TVOS_NUGET_VERSION=15.4.304
+WATCHOS_NUGET_VERSION=8.5.304
+MACOS_NUGET_VERSION=12.3.304
+MACCATALYST_NUGET_VERSION=15.4.304
 
 
 # Defines the default platform version if it's not specified in the TFM. The default should not change for a given .NET version: