[FW][FIX] product: update variants when modifying exclusions

[fw-bot]

opw-3693065

---

I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr

Forward-Port-Of: #155103

[robodoo]

Pull request status dashboard.

[fw-bot]

@chevalierv @Feyensv cherrypicking of pull request #155103 failed.

stdout:

Auto-merging addons/product/models/product_attribute.py
CONFLICT (content): Merge conflict in addons/product/models/product_attribute.py
Auto-merging addons/product/tests/test_variants.py

stderr:

22:52:59.114603 git.c:463               trace: built-in: git cherry-pick 14a789acaf690d87c172956a7ff9d7f23b204960
error: could not apply 14a789acaf69... [FIX] product: update variants when modifying exclusions
hint: After resolving the conflicts, mark them with
hint: "git add/rm <pathspec>", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".
----------
status:

Either perform the forward-port manually (and push to this branch, proceeding as usual) or close this PR (maybe?).

In the former case, you may want to edit this PR message as well.

⚠️ after resolving this conflict, you will need to merge it via @robodoo.

More info at https://github.com/odoo/odoo/wiki/Mergebot#forward-port

[chevalierv]

@robodoo r+