WIP: flasher: support docker

This patch implement docker support for flasher.
16 jobs for flasher-docker in 16 minutes and 13 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Test
passed #115926
amd64
dispatcher-debian-10

00:02:18

passed #115928
amd64
dispatcher-debian-11

00:02:34

passed #115927
amd64
server-debian-10

00:02:54

passed #115929
amd64
server-debian-11

00:05:14

 
  Analyze
passed #115930
amd64-dind
bandit-sast

00:00:51

passed #115931
amd64
black

00:00:34

passed #115932
amd64
code_quality

00:00:20

passed #115937
amd64
codespell

00:00:16

passed #115933
amd64
coverage

00:06:28

60.86%
passed #115934
amd64
dockerfiles

00:00:15

passed #115936
amd64
pylint

00:03:00

passed #115935
amd64
schemas

00:00:28

 
  Build
passed #115939
amd64
debian/10

00:01:52

passed #115938
amd64
doc

00:01:13

passed #115940
amd64-dind
docker-amd64-dispatcher

00:04:02

passed #115941
amd64-dind
docker-amd64-server

00:04:26