Update u-root dependency to v0.11.0
v0.10.0 is dated 2022-10-10, v0.11.0 is a few months newer, 2023-02-01, and also includes one fix by Morten.
v0.10.0 is dated 2022-10-10, v0.11.0 is a few months newer, 2023-02-01, and also includes one fix by Morten.