build: bump psl from 1.9.0 to 1.15.0 (#1171)

Bumps [psl](https://github.com/lupomontero/psl) from 1.9.0 to 1.15.0.
- [Release notes](https://github.com/lupomontero/psl/releases)
- [Commits](lupomontero/psl@v1.9.0...v1.15.0)

---
updated-dependencies:
- dependency-name: psl
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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