12.0.0

What's Changed

• actions: look up action tasks by revision in fetch_graph_and_labels by @jcristau in #589
• Create built-in matrix transforms to facilitate splitting tasks by arbitrary values by @ahal in #588
• Fix readthedocs builds by @ahal in #598
• fix(transforms.run): be more specific about implicit files changed fo… by @ahal in #599
• feat(cli): support --parameters=index: by @ahal in #601
• fix!: only add target_tasks_method filter if no other filters were sp… by @ahal in #600
• Strip build- prefix from docker image task labels by @ahal in #585
• chore: version bump 12.0.0 by @ahal in #602

Full Changelog: 11.2.4...12.0.0