Merge remote-tracking branch 'cos/main-R93-cos-5.10' into release-R93

Merge main into release to pick up retbleed fixes.

BUG=b/238799947
TEST=presubmit
RELEASE_NOTE=Updated the Linux kernel to v5.10.133. This includes
mitigations for the Retbleed speculative execution vulnerability. This
may have non-trivial performance impact on your workloads.

Change-Id: I2b4bac619b54c5997a04ef6a5c8a65b4de592a02