build(deps): update symfony/yaml requirement from ^6.0 to ^6.0 || ^7.0

Updates the requirements on [symfony/yaml](https://github.com/symfony/yaml) to permit the latest version.
- [Release notes](https://github.com/symfony/yaml/releases)
- [Changelog](https://github.com/symfony/yaml/blob/7.1/CHANGELOG.md)
- [Commits](symfony/yaml@v6.0.0...v7.1.1)

---
updated-dependencies:
- dependency-name: symfony/yaml
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

composer.json

@@ -28,7 +28,7 @@
     "phppkg/ini": "~0.1",
     "colinodell/json5": "^2.2 || ^3.0",
     "nette/neon": "^3.3",
-    "symfony/yaml": "^6.0",
+    "symfony/yaml": "^6.0 || ^7.0",
     "yosymfony/toml": "^1.0",
     "toolkit/fsutil": "^2.0",
     "toolkit/stdlib": "^2.0"