2026.3.0

Changes

• Fix CI — bokeh 3.9.0 @DimitriPapadopoulos (#9205)
• setproctitle: avoid being caught by dask.config; add to test envs @crusaderky (#9202)
• Fix Client.register_plugin inferred as NoReturn @moi90 (#9201)
• Bump actions/upload-artifact from 6 to 7 @dependabot[bot] (#9199)
• docs: fix Scheduler.close docstring @cnaples79 (#9198)
• Fix Total CPU % on /workers tab to normalize by total nthreads @ernestprovo23 (#9195)
• XFAIL test_handle_null_partitions_2 @crusaderky (#9191)
• Type hints for Future.status @nadzhou (#9188)
• Pin sphinx=8 @crusaderky (#9190)

See the Changelog for more information.