chore(deps-dev): Bump psalm/phar from 6.14.3 to 6.15.0

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

---
updated-dependencies:
- dependency-name: psalm/phar
  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]

composer.json

@@ -23,7 +23,7 @@
 	"require-dev": {
 		"roave/security-advisories": "dev-master",
 		"jakub-onderka/php-parallel-lint": "^1.0.0",
-		"psalm/phar": "^6.14",
+		"psalm/phar": "^6.15",
 		"friendsofphp/php-cs-fixer": "^3.8",
 		"nextcloud/coding-standard": "^1.0",
 		"nextcloud/ocp": "dev-master",