TileDB-SOMA 1.0.0rc3

New features added

• [r] SOMA Experiment query API by @aaronwolen in #1030
• [r] Implement PlatformConfig and SOMATileDBContext for R by @mojaveazure in #1026
• [python] Allow all operations on a collection to share a timestamp by @thetorpedodog in #1001
• [python] Explicit shaping for DataFrame by @johnkerl in #1027
• [python] Add result_order support to sparse NDArray reads by @thetorpedodog in #1047
• [c++] Update C++ sandbox-build instructions by @johnkerl in #1025

Breaking changes

• [python] Improve spec/impl consistency on cls/type/kind parameters by @atolopko-czi in #1045

Minor changes

• [python] Unmark experiment_query xfailures since they pass now by @thetorpedodog in #1018
• [python] Pin stub versions used in type checking by @thetorpedodog in #1024
• [python] Lifecycle maturity tags by @bkmartinjr in #1028
• [r] Fix test for X-layer assertions by @aaronwolen in #1033
• [r] Revert #1026 by @johnkerl in #1037
• [python] Start adding errors to docstrings by @bkmartinjr in #1036
• [python] Adding more docstring info on error handling by @bkmartinjr in #1039
• [python] Depend on somacore 1.0.0rc4 by @thetorpedodog in #1048

Bug fixes

• [c++/python] Correctly handle all four timestamp types by @johnkerl in #1029
• [python] Return False on various .exists() by @johnkerl in #1040

Full Changelog: 1.0.0rc2...1.0.0rc3