feat(scaffolder): add support for EventsService

[drodil]

Hey, I just made a Pull Request!

adds support to the default DatabaseTaskStore to emit events from scaffolder tasks using the EventsService

:heavy_check_mark: Checklist

• [x] A changeset describing the change and affected packages. (more info)
• [ ] Added or updated documentation
• [x] Tests for new functionality and regression tests for bug fixes
• [ ] Screenshots attached (for UI changes)
• [x] All your commits have a Signed-off-by line in the message. (more info)

[backstage-goalie[bot]]

Changed Packages

Package Name	Package Path	Changeset Bump	Current Version
@backstage/plugin-scaffolder-backend	plugins/scaffolder-backend	minor	v1.27.0-next.3

[acierto]

@drodil Some conflicts now

[freben]

@drodil maybe it's the case now that the api reports aren't named like that anymore

[drodil]

@freben rebased!

[github-actions[bot]]

This PR has been automatically marked as stale because it has not had recent activity from the author. It will be closed if no further activity occurs. If the PR was closed and you want it re-opened, let us know and we'll re-open the PR so that you can continue the contribution!

[benjdlambert]

@drodil can you fix up this PR to make it green? :pray:

[github-actions[bot]]

Thank you for contributing to Backstage! The changes in this pull request will be part of the 1.34.0 release, scheduled for Tue, 17 Dec 2024.