[ci] add CI steps on protected branches for NMC

`.ecp-ci.yml` is the file where we will define job steps for the ECP-CI
runners.

This steps must only be defined for the protected branches.

This commit introduce 3 steps, once to log the environment being used,
and two checking CUDA support.
6 jobs for nmc-ecp-ci-test in 3 minutes and 9 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Style
failed #46648
integration
checkpatch

00:00:55

passed #46647
integration
repoquality

00:00:11

passed #46649
integration
style:docs

00:02:02

 
  Build
skipped #46650
make:generic
skipped #46652
knl
make:knl
skipped #46651
make:out-of-tree
 
Name Stage Failure
failed
checkpatch Style
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "en_US.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
tests/area/test_linux.c:58: WARNING: Missing a blank line after declarations
ERROR: Job failed: exit status 1