Always update webhook_token on set-hooks

gitlab_deps/hooks.py

@@ -6,6 +6,9 @@ def check_hook(gl, hook_url, webhook_token, project_path, dry_run):
     found = False
     for h in project.hooks.list():
         if h.url == hook_url and h.pipeline_events:
+            if not dry_run:
+                h.token = webhook_token
+                h.save()
             found = True
             break
     if found: