Merge pull request adafruit#2545 from dhalbert/cpx-stack-4760

Increase CPX stack size by 256

Merge pull request adafruit#2445 from jepler/mp3-jeplayer-fixes

Fixes for JEplayer

Merge pull request adafruit#2418 from tannewt/remove_re_from_cpx_disp…

…layio

Remove `re` from CPX Displayio build to make space.

Merge pull request adafruit#2407 from dhalbert/4.1.x-increase-cpx-sta…

…ck-update-frozen

4.1.x increase cpx stack update frozen

Merge pull request adafruit#2337 from jepler/mp3

Add MP3 playback

Merge pull request adafruit#2291 from hierophect/stm32-neopixel

STM32: Neopixel support

Merge pull request adafruit#2262 from jepler/cpb-speaker-disable

cpb: Disable the onboard speaker until request

Merge pull request adafruit#2155 from tannewt/ignore_existing_files

When uploading release assets, ignore those already uploaded.

Merge pull request adafruit#2135 from jepler/audio-stuttering-background

Reduce audio stuttering by running background tasks

Merge pull request adafruit#2113 from tannewt/displayio_hidden

Add .hidden to TileGrid and Group