Update vimeo/psalm requirement from ^5.25 to ^5.26 (#268)

Updates the requirements on [vimeo/psalm](https://github.com/vimeo/psalm) to permit the latest version.
- [Release notes](https://github.com/vimeo/psalm/releases)
- [Commits](vimeo/psalm@5.25.0...5.26.0)

---
updated-dependencies:
- dependency-name: vimeo/psalm
  dependency-type: direct:development
...

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

composer.json

@@ -18,7 +18,7 @@
         "phpunit/phpunit": "^10.5.26",
         "phpstan/phpstan": "^1.12.0",
         "rector/rector": "^1.2",
-        "vimeo/psalm": "^5.25"
+        "vimeo/psalm": "^5.26"
     },
     "autoload": {
         "psr-4": {