Co-authored-by: Michael Kriese <michael.kriese@visualon.de>

The existing npm-specific `unpublishSafe` setting will be removed and migrated instead to use `stabilityDays` (3). The `renovate/unpublish-safe` status check is also deprecated and the existing `renovate/stability-days` will be used instead.

Closes #5265

BREAKING CHANGE: The status check `renovate/unpublish-safe` will be replaced with `renovate/stability-days`. Please migrate any branch protection rules if you were relying on `renovate/unpublish-safe`.

... if no `homepage` or `sourceUrl` is available

This is relevant for the `crate` datasource where both are currently not available due to the API rate limiting.

Co-authored-by: Rhys Arkins <rhys@arkins.net>

Co-authored-by: Michael Kriese <michael.kriese@visualon.de>

* chore: fix types

* fix more types

* chore: mote fixes

* fix frmat

* chore: fix tests

* chore: fix type

* chore: cleanup

* chore: cleanup

Co-authored-by: Rhys Arkins <rhys@arkins.net>

This reverts commit f04adc50.