* Implement rp2040-E5 workaround for usb enumeration.
* Expand documentation and add to pico_usb_serial & pico_usb_twitchy_mouse
* Fix errata-5 documentation around the bus-keep state.
* Update CHANGELOG.md
* Update BSP authors to include 'rp-rs developers'
* Update BSP readme's to reflect current release version
* Update BSP changelogs
* Fix version number in HAL README