[16.0][ADD] storage_backend_environment: make server_environment an optional dependency

[yankinmax]

PR is aimed to remove server_environment dependency from storage_backend in the scope of this issue:

• RFC: replacement of server_environment server-env#258

[ivantodorovich]

same questions than other PRs.

Is it enough to get it automatically installed on environments where image_tag was already instealled and it only gets an update? or do we need a migration script?

[lmignon]

@yankinmax The issue is for V19. Here you are on a stable release. Do you plan to still use these storage addons in the future? You've new alternatives with the fs_* addons.

[yankinmax]

@yankinmax The issue is for V19. Here you are on a stable release. Do you plan to still use these storage addons in the future? You've new alternatives with the fs_* addons.

The idea was to adapt all the modules that have a direct server_environment dependency.
Ping @ivantodorovich @gurneyalex

[github-actions]

There hasn't been any activity on this pull request in the past 4 months, so it has been marked as stale and it will be closed automatically if no further activity occurs in the next 30 days.
If you want this PR to never become stale, please ask a PSC member to apply the "no stale" label.