dockerfiles: regenerate requirements.compiled and minor docs changes

BUG=b:409962316
TEST=build main docker container, run Twister inside, build and flash FW

Change-Id: I1a767cca18ffc8fd30d4ae71edc713b70eb7bd27
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dolos/+/6448433
Tested-by: Łukasz Hajec <hajec@google.com>
Commit-Queue: Łukasz Hajec <hajec@google.com>
Reviewed-by: Michał Headcrab Barnaś <barnas@google.com>