Flyte 1.2 Release

Platform

Support for Ray (#2641) - Also see the blog post.
Execution names can be longer now, up to 63 characters (flyteorg/flyteadmin#466)
Offloading FlyteWorkflow CRD static workflow spec (#2705)
Enabled FlytePropeller subqueue - this means that everytime a pod is updated in the workflow it reevals for faster downstream scheduling
Add container configuration to default pod template (#2703)
Fixed issues with blobstore writes - GCS had duplicate writes and subworkflow inputs were rewritten on every evaluation, this meant slower evaluations
Support external deletion of non-terminal map task subtasks (as a result of #2701)
Better truncation of flytepropeller logs (#2818)
Bug: Recovering subworkflows is now supported (#2840)
Fix snowflake plugin (flyteorg/flyteplugins#286)

Hugging Face plugin (flyteorg/flytekit#1116)
dbt plugin (#2202)
cache overriding behavior is now open to all types (#2912)
Bug: Fallback to pickling in the case of unknown types used Unions (#2823)
pyflyte run now supports imperative workflows
Newlines are now stripped from client secrets (flyteorg/flytekit#1163)
Ensure repeatability in the generation of cache keys in the case of dictionaries (flyteorg/flytekit#1126)
Support for multiple images in the yaml config file (flyteorg/flytekit#1106)