* [Bazel] Fix bazel build, add presubmit
* Fixes a missing dep in the Bazel build breaking the host build.
* Automagically finds all board headers.
* Improves presubmit script polish for GH Action readiness.
* Adds a GitHub action workflow for the Bazel build.
* Disable failing checks
* Disables Windows, as there's a mix of real build errors and
overly-ambitious checks that don't work on Windows.
* Disables extra checks temporarily since it's currently failing.
* Fix Bazel build breakages
* Adds support for new PICO_DEFAULT_UART_BAUD_RATE option.
* Fixes issues related to Picotool and boot_picoboot_headers.
* Adds pico_float RISC-V pieces to the Bazel build (not yet fully
tested).
* Adds the missing adafruit board header to the Bazel build.
* Exclude hazard3 float test in Bazel validation script
* Restore missing dependency in hardware_boot_lock