Bump policy generator to v1.12.4

[dhaiducek]

• [x] I have taken backward compatibility into consideration.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (dcce8c6) 53.78% compared to head (f9ce821) 54.24%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #377 +/- ## ========================================== + Coverage 53.78% 54.24% +0.46% ========================================== Files 71 71 Lines 14959 14959 ========================================== + Hits 8046 8115 +69 + Misses 6091 6014 -77 - Partials 822 830 +8 ``` | [Flag](https://app.codecov.io/gh/open-cluster-management-io/multicloud-operators-subscription/pull/377/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-cluster-management-io) | Coverage Δ | | |---|---|---| | [unit](https://app.codecov.io/gh/open-cluster-management-io/multicloud-operators-subscription/pull/377/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-cluster-management-io) | `54.24% <ø> (+0.46%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-cluster-management-io#carryforward-flags-in-the-pull-request-comment) to find out more.

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[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dhaiducek, mikeshng

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