gitlab_project_variable: Remove sensitive information (#66556)

Redact GitLab Project variables which might include sensetive information
such as password, api_keys and other project related details.

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

changelogs/fragments/gitlab_project_variable.yml

@@ -0,0 +1,2 @@
+bugfixes:
+- Redact GitLab Project variables which might include sensetive information such as password, api_keys and other project related details.

lib/ansible/modules/source_control/gitlab/gitlab_project_variable.py

@@ -208,7 +208,7 @@ def main():
         api_token=dict(type='str', required=True, no_log=True),
         project=dict(type='str', required=True),
         purge=dict(type='bool', required=False, default=False),
-        vars=dict(type='dict', required=False, default=dict()),
+        vars=dict(type='dict', required=False, default=dict(), no_log=True),
         state=dict(type='str', default="present", choices=["absent", "present"])
     )