Build(deps-dev): Bump vimeo/psalm from 3.11.6 to 3.12.1

Bumps [vimeo/psalm](https://github.com/vimeo/psalm) from 3.11.6 to 3.12.1.
- [Release notes](https://github.com/vimeo/psalm/releases)
- [Commits](vimeo/psalm@3.11.6...3.12.1)

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