WIP: write environment variable in secrets

This patch is a POC on how to add env variables (from env-dut.yaml) to the secrets file in overlay.

Closes: #450
16 jobs for test-token-secret in 15 minutes and 31 seconds (queued for 4 seconds)
latest
Status Job ID Name Coverage
  Test
passed #115087
amd64
dispatcher-debian-10

00:02:16

passed #115089
amd64
dispatcher-debian-11

00:02:20

passed #115088
amd64
server-debian-10

00:02:49

passed #115090
amd64
server-debian-11

00:04:53

 
  Analyze
passed #115091
amd64-dind
bandit-sast

00:00:50

passed #115092
amd64
black

00:00:32

passed #115093
amd64
code_quality

00:00:18

passed #115098
amd64
codespell

00:00:16

passed #115094
amd64
coverage

00:06:26

60.87%
passed #115095
amd64
dockerfiles

00:00:13

passed #115097
amd64
pylint

00:03:00

passed #115096
amd64
schemas

00:00:27

 
  Build
passed #115100
amd64
debian/10

00:01:21

passed #115099
amd64
doc

00:00:34

passed #115101
amd64-dind
docker-amd64-dispatcher

00:03:41

passed #115102
amd64-dind
docker-amd64-server

00:04:07