v21.10.00

🐛 Bug Fixes

• Stop using now removed _apply_support_method function. (#448) @vyasr
• Remove cudf.core (#444) @thomcom
• FIX Sync version update script with CMakeLists and update version in … (#438) @dillon-cullinan

🛠️ Improvements

• Fix default cuda version in prebuild.sh for arm64 (#451) @Ethyling
• Skip imports tests on arm64 (#450) @Ethyling
• Update Cython Table APIs to match changes in cudf. (#449) @vyasr
• Fix Forward-Merge Conflicts (#445) @ajschmidt8
• Update cudf table apis (#437) @vyasr
• ENH Replace gpuci_conda_retry with gpuci_mamba_retry (#432) @dillon-cullinan
• Pin gdal to 3.3.x (#420) @weiji14