Swift: Bump the dependencies group with 5 updates

Bumps the dependencies group with 5 updates:

| Package | From | To |
| --- | --- | --- |
| [github.com/pointfreeco/swift-case-paths](https://github.com/pointfreeco/swift-case-paths) | `1.2.1` | `1.2.3` |
| [github.com/pointfreeco/swift-snapshot-testing](https://github.com/pointfreeco/swift-snapshot-testing) | `1.15.2` | `1.15.3` |
| [github.com/vapor/fluent-kit](https://github.com/vapor/fluent-kit) | `1.45.1` | `1.47.0` |
| [github.com/vapor/postgres-kit](https://github.com/vapor/postgres-kit) | `2.12.2` | `2.12.3` |
| [github.com/vapor/postgres-nio](https://github.com/vapor/postgres-nio) | `1.20.0` | `1.20.2` |


Updates `github.com/pointfreeco/swift-case-paths` from 1.2.1 to 1.2.3
- [Release notes](https://github.com/pointfreeco/swift-case-paths/releases)
- [Commits](pointfreeco/swift-case-paths@1.2.1...1.2.3)

Updates `github.com/pointfreeco/swift-snapshot-testing` from 1.15.2 to 1.15.3
- [Release notes](https://github.com/pointfreeco/swift-snapshot-testing/releases)
- [Commits](pointfreeco/swift-snapshot-testing@1.15.2...1.15.3)

Updates `github.com/vapor/fluent-kit` from 1.45.1 to 1.47.0
- [Release notes](https://github.com/vapor/fluent-kit/releases)
- [Commits](vapor/fluent-kit@1.45.1...1.47.0)

Updates `github.com/vapor/postgres-kit` from 2.12.2 to 2.12.3
- [Release notes](https://github.com/vapor/postgres-kit/releases)
- [Commits](vapor/postgres-kit@2.12.2...2.12.3)

Updates `github.com/vapor/postgres-nio` from 1.20.0 to 1.20.2
- [Release notes](https://github.com/vapor/postgres-nio/releases)
- [Commits](vapor/postgres-nio@1.20.0...1.20.2)

---
updated-dependencies:
- dependency-name: github.com/pointfreeco/swift-case-paths
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: github.com/pointfreeco/swift-snapshot-testing
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: github.com/vapor/fluent-kit
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: dependencies
- dependency-name: github.com/vapor/postgres-kit
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: github.com/vapor/postgres-nio
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

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

Author: dependabot[bot]