Ruby driver 2.15.0 released

This release adds the following major new features:

Ruby 3.0 support
Ability to specify server API parameters
Support for Zstandard and Snappy wire protocol compression
Query cache middleware is now available in the driver
Support for time series options when creating collections
Experimental support for MongoDB Atlas Serverless when not using a load balancer
Please consult the release notes in the documentation for the complete list of changes.