net/rubygem-gitlab-fog-azure-rm: update to 1.7.0

1.7.0

Fix #get_object return type to be consistent with other Fog providers !36

Require Ruby 2.7+ !36

1.6.0

Add get_object request method !34

Fix uninitialized constant errors !35

1.5.0

Add delete_object request method !32

Changelog:
https://gitlab.com/gitlab-org/ruby/gems/gitlab-fog-azure-rm/-/blob/gitlab/master/CHANGELOG.md