Bump third_party/openthread/repo from `287dbfa` to `473af53` #435

Annotations

5 warnings

`pre` execution is not supported for local action from './.github/actions/checkout-submodules-and-bootstrap'

Unable to find merge base between 287dbfa25130ead5010877e934effbb0a2534265 and 473af53155ec336d843e083cd6b70a7046560caa

Set 'fetch_additional_submodule_history: true' to fetch additional submodule history for: third_party/openthread/repo

fatal: Invalid revision range 287dbfa25130ead5010877e934effbb0a2534265..473af53155ec336d843e083cd6b70a7046560caa

Please ensure that submodules are initialized and up to date. See: https://github.com/actions/checkout#usage