chore(deps-dev): bump szepeviktor/phpstan-wordpress from 2.0.2 to 2.0.4

Bumps [szepeviktor/phpstan-wordpress](https://github.com/szepeviktor/phpstan-wordpress) from 2.0.2 to 2.0.4.
- [Release notes](https://github.com/szepeviktor/phpstan-wordpress/releases)
- [Commits](szepeviktor/phpstan-wordpress@v2.0.2...v2.0.4)

---
updated-dependencies:
- dependency-name: szepeviktor/phpstan-wordpress
  dependency-version: 2.0.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]