deps(deps): bump vimeo/psalm from 6.17.2 to 6.18.1 in /tools/psalm

Bumps [vimeo/psalm](https://github.com/vimeo/psalm) from 6.17.2 to 6.18.1.
- [Release notes](https://github.com/vimeo/psalm/releases)
- [Commits](vimeo/psalm@6.17.2...6.18.1)

---
updated-dependencies:
- dependency-name: vimeo/psalm
  dependency-version: 6.18.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

tools/psalm/composer.json

@@ -1,6 +1,6 @@
 {
     "require": {
-        "vimeo/psalm": "^6.17"
+        "vimeo/psalm": "^6.18"
     },
     "config": {
         "platform": {