fix: use actual registry instead of clean for imagetools

[td-famedly]

https://github.com/famedly/call/actions/runs/16619128369

working run

[github-actions]

* 57b383862ba81dfa265bb33d492e2bbcbc96891d Revert "chore(docker): use clean_registry in step `Create manifest list and push`"
    - Trust root.
* f3de6a8c9d686a70f7fa7b6b752c37c7b02e789f fix: use actual registry instead of clean for imagetools
|   - Error: Key `AD4A1A09531D49545F0157696402F3BA59C5FA18` is bad: The primary key is not live
* eea82ac2ff9da5925adf0fea88955e71b9acd03b fix: reget clean_reg var
|   - Error: Key `AD4A1A09531D49545F0157696402F3BA59C5FA18` is bad: The primary key is not live

Failed to authenticate commits.

Error: Authenticating d8a62968e8835a7204719b72d05ff9715d23e756 with 1ccbb3a5ea5086dbceaccddccf62720693d6aa5d

Caused by:
    Commit 1ccbb3a5ea5086dbceaccddccf62720693d6aa5d has no policy