Merge pull request adafruit#6038 from jepler/merge-1.18

Merge 1.18

Merge pull request adafruit#6060 from dhalbert/update-frozen-libs-7.2.0

update frozen libraries before 7.2.0 RC

Merge pull request adafruit#6003 from dhalbert/spi-half-duplex-signature

add half_duplex to busio.SPI signature

Merge pull request adafruit#5851 from dhalbert/pdmin-fix-7.1.x

PDMIn fix for SAMD: backport of adafruit#5842

Merge pull request adafruit#5789 from adafruit/7.1.x

Merge latest changes from 7.1.x

Merge pull request adafruit#5779 from dhalbert/feather-esp32-s2-turn-…

…on-i2c-power-by-default

Feather ESP32-S2: turn on I2C power after reset

Merge pull request adafruit#5779 from dhalbert/feather-esp32-s2-turn-…

…on-i2c-power-by-default

Feather ESP32-S2: turn on I2C power after reset

Merge pull request adafruit#5765 from adafruit/revert-5755-fix-cascad…

…etoml-more

Revert "Fix cascadetoml more"

Merge pull request adafruit#5712 from jepler/website-main-branch

reflect that the default branch of circuitpython-org is updated

Merge pull request adafruit#5700 from dhalbert/update-frozen-7.1.x-be…

…ta.2

update frozen libraries for 7.1.x-beta.2