#6649 make state service unary apis Pull request opened by hamersaw ## Tracking issue N/A ## Why are the changes needed? Streaming these APIs will reduce extensibility in the future (ex. sharding across multiple instances / etc) ## What changes were proposed in this pull request? Makes the state service get / put APIs to be unary rather than streaming. ## How was this patch tested? Passing tests - no implementation yet. ### Labels • changed: For changes in existing functionality. This is important to improve the readability of release notes. ### Setup process ### Screenshots ## Check all the applicable boxes • I updated the documentation accordingly. • All new and existing tests passed. • All commits are signed-off. ## Related PRs N/A ## Docs link N/A flyteorg/flyte