[docs] add SYS_NICE cap & `security-opt` for docker/k8s (#24017)
Signed-off-by: Peter Pan <Peter.Pan@daocloud.io>
Signed-off-by: Peter Pan <peter.pan@daocloud.io>
Co-authored-by: Li, Jiang <bigpyj64@gmail.com>
Co-authored-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
