Bump the production-dependencies group with 2 updates (#102)

Bumps the production-dependencies group with 2 updates: [pg](https://github.com/brianc/node-postgres/tree/HEAD/packages/pg) and [pg-cursor](https://github.com/brianc/node-postgres/tree/HEAD/packages/pg-cursor).


Updates `pg` from 8.14.1 to 8.15.6
- [Changelog](https://github.com/brianc/node-postgres/blob/master/CHANGELOG.md)
- [Commits](https://github.com/brianc/node-postgres/commits/[email protected]/packages/pg)

Updates `pg-cursor` from 2.13.1 to 2.14.6
- [Changelog](https://github.com/brianc/node-postgres/blob/master/CHANGELOG.md)
- [Commits](https://github.com/brianc/node-postgres/commits/[email protected]/packages/pg-cursor)

---
updated-dependencies:
- dependency-name: pg
  dependency-version: 8.15.6
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: production-dependencies
- dependency-name: pg-cursor
  dependency-version: 2.14.6
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: production-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]