v0.21.0-rc1

What's Changed

• Kserve upgrade by @pradithya in #242
• Bump jsonpath library to fix issue regarding filtering on nested array by @tiopramayudi in #244
• Add variable operation in transformations step by @tiopramayudi in #247
• Fix redeploy UI by @pradithya in #249
• Use sorted order of the entities for bigtable by @khorshuheng in #246
• Update google cloud dependencies on merlin sdk by @tiopramayudi in #248
• Upgrade cloudpickle to 2.0.0 by @karzuo in #250
• Combine pre and post processing config steps in 1 page for std transformer by @karzuo in #251
• Update end to end test to cover RAW_DEPLOYMENT for model with logger by @pradithya in #252

Full Changelog: v0.20.1-rc1...v0.21.0-rc1