Add SAMD21 M0 Mini board to 6.0.x branch

Merge pull request adafruit#3716 from jepler/keep-event-loop

esp32s2: don't delete the event loop

Merge pull request adafruit#3689 from jepler/issue-3688

esp32s2: wifi: fix several debug-build errors

Merge pull request adafruit#3684 from adafruit/tannewt-patch-1

Change creation date back.

Merge pull request adafruit#3661 from jepler/protomatter-error-checki…

…ng-6x

RGBMatrix: Detect invalid bit_depth selection

Merge pull request adafruit#3636 from dhalbert/feather-m4-can-pin-cha…

…nges

Rev C Feather M4 CAN pin changes

Merge branch 'main' into recv_into_size_check

Merge pull request adafruit#3565 from weblate/weblate-circuitpython-main

Translations update from Weblate

Merge pull request adafruit#3509 from weblate/weblate-circuitpython-main

Translations update from Weblate

Merge pull request adafruit#3500 from weblate/weblate-circuitpython-main

Translations update from Weblate