Bump sqlite3 from 5.0.2 to 5.0.3 in /src

Bumps [sqlite3](https://github.com/TryGhost/node-sqlite3) from 5.0.2 to 5.0.3.
- [Release notes](https://github.com/TryGhost/node-sqlite3/releases)
- [Changelog](https://github.com/TryGhost/node-sqlite3/blob/master/CHANGELOG.md)
- [Commits](TryGhost/node-sqlite3@v5.0.2...v5.0.3)

---
updated-dependencies:
- dependency-name: sqlite3
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>