v0.3.0

What's Changed

• Update to Arrow 8.0 by @alexbaden in #122
• Fix docker caching for Ubuntu package cache by @leshikus in #123
• Introduce high level API by @alexbaden in #100
• Whitelist date/time functions for cuda path by @kurapov-peter in #124
• Move RelLeftDeepInnerJoin code to IR. by @ienkovich in #126
• Make nvcc use conda gcc when possible by @leshikus in #128

Full Changelog: https://github.com/intel-ai/hdk/commits/v0.3.0