Re: [PATCH v2 0/1] MR9751: Draft: gitlab: Make core files accessible as artifacts.

[Bernhard Übelacker (＠bernhardu)]

v2:
- collect artifacts only "on_failure"
- add "expire_in: 1 month"
- create a "core-placeholder" to avoid a warning if it fails and there is no core file available.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/9751#note_125417