[COMMITTERS] Fix Scott's GitHub username
[COMMITTERS] Fix Scott's GitHub username

Signed-off-by: Alex Bradbury <ed4b35f7901fdce94913288395fdd0b59e44c43e@lowrisc.org>

lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan