Update symfony/yaml requirement from ~5.4.40 to ~7.1.5

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@v5.4.40...v7.1.5)

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

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

composer.json

@@ -12,7 +12,7 @@
 	"require": {
 		"php": ">=7.1",
 		"composer-plugin-api": "^1.1 || ^2.0",
-		"symfony/yaml": "~5.4.40"
+		"symfony/yaml": "~7.1.5"
 	},
 	"extra": {
 		"class": "Altis\\Local_Server\\Composer\\Plugin",