chore(deps): bump postgres-types from 0.2.11 to 0.2.12

Bumps [postgres-types](https://github.com/rust-postgres/rust-postgres) from 0.2.11 to 0.2.12.
- [Release notes](https://github.com/rust-postgres/rust-postgres/releases)
- [Commits](rust-postgres/rust-postgres@postgres-types-v0.2.11...postgres-types-v0.2.12)

---
updated-dependencies:
- dependency-name: postgres-types
  dependency-version: 0.2.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]