Updated better-sqlite3 to v12 for copilot plugin

[andriyun]

Hey, I just made a Pull Request!

better-sqlite3 v12 for copilot plugin. See issue #7861

✔️ Checklist

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

[backstage-goalie]

Unexpected Changesets

The following changeset(s) reference packages that have not been changed in this PR:

• /home/runner/work/community-plugins/community-plugins/workspaces/copilot/.changeset/healthy-needles-mate.md: @backstage-community/plugin-copilot-backend

Note that only changes that affect the published package require changesets, for example changes to tests and storybook stories do not require changesets.

Changed Packages

Package Name	Package Path	Changeset Bump	Current Version
backend	workspaces/copilot/packages/backend	none	v0.0.5

[andriyun]

Thanks for review @christoph-jerolimov

Is there something else I can do to get this PR merged?