Merged pull requests:

• Support for Ruby 3.2 & 3.3 #679 (benlangfeld)

Breaking:

• Removed legacy APNSv1 implementation (Apple binary protocol) since this was shut down in 2021. #680 (benlangfeld)
• Removed legacy GCM implementation since this was shut down by Google in August 2024 and replaced by FCM (supported in RPush 8.0.0) #688 (benlangfeld)
• Drop support for Ruby 2.x #672 (benlangfeld)

Full Changelog: https://github.com/rpush/rpush/compare/v8.0.0...v9.0.0