build(deps-dev): Bump vimeo/psalm in /vendor-bin/psalm

Bumps [vimeo/psalm](https://github.com/vimeo/psalm) from 6.14.3 to 6.15.0.
- [Release notes](https://github.com/vimeo/psalm/releases)
- [Commits](vimeo/psalm@6.14.3...6.15.0)

---
updated-dependencies:
- dependency-name: vimeo/psalm
  dependency-version: 6.15.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

vendor-bin/psalm/composer.json

@@ -6,6 +6,6 @@
 		"sort-packages": true
 	},
 	"require-dev": {
-		"vimeo/psalm": "^6.14.3"
+		"vimeo/psalm": "^6.15.0"
 	}
 }