chore: use zoneinfo instead of pytz#37568

ttak-apphelix wants to merge 6 commits intoopenedx:masteropenedx/edx-platform:masterfrom

ttak-apphelix:ttak-apphelix/remove-pytz-5ttak-apphelix/edx-platform:ttak-apphelix/remove-pytz-5Copy head branch name to clipboard