v2.3.0

Features

• add always_use_jwt_access (#333) (f1fce5b)

Bug Fixes

• deps: add packaging requirement (#326) (d31c27b)
• deps: require google-api-core >= 1.26.0 (#344) (ce4ceb6)
• disable always_use_jwt_access (#348) (4623248)

Documentation

• add paramter mutation_timeout to instance.table docs (#305) (5bbd06e)
• fix broken links in multiprocessing.rst (#317) (e329352)
• omit mention of Python 2.7 in 'CONTRIBUTING.rst' (#1127) (#329) (6bf0c64), closes #1126