Bump @tootallnate/once and sqlite3 (#1322)

Removes [@tootallnate/once](https://github.com/TooTallNate/once). It's no longer used after updating ancestor dependency [sqlite3](https://github.com/TryGhost/node-sqlite3). These dependencies need to be updated together.


Removes `@tootallnate/once`

Updates `sqlite3` from 5.1.7 to 6.0.1
- [Release notes](https://github.com/TryGhost/node-sqlite3/releases)
- [Commits](TryGhost/node-sqlite3@v5.1.7...v6.0.1)

---
updated-dependencies:
- dependency-name: "@tootallnate/once"
  dependency-version: 
  dependency-type: indirect
- dependency-name: sqlite3
  dependency-version: 6.0.1
  dependency-type: direct:production
...

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