Bump third_party/openthread/repo from `f0b6fce` to `fb7b457` · robertfarnum/connectedhomeip@be9df99

Docker login for 'ghcr.io' failed with exit code 1

Docker login for 'ghcr.io' failed with exit code 1, back off 1.68 seconds before retry.

Docker login for 'ghcr.io' failed with exit code 1, back off 9.482 seconds before retry.