refactor: Migrate DataFrame display to use IPython's _repr_mimebundle_() protocol for anywidget mode #2271

shuoweil wants to merge 19 commits intomaingoogleapis/python-bigquery-dataframes:mainfrom

shuowei-anywidget-html-reprgoogleapis/python-bigquery-dataframes:shuowei-anywidget-html-reprCopy head branch name to clipboard