Update zircote/swagger-php requirement from 4.8.0 to 4.9.3

Updates the requirements on [zircote/swagger-php](https://github.com/zircote/swagger-php) to permit the latest version.
- [Release notes](https://github.com/zircote/swagger-php/releases)
- [Changelog](https://github.com/zircote/swagger-php/blob/master/Changelog.md)
- [Commits](zircote/swagger-php@4.8.0...4.9.3)

---
updated-dependencies:
- dependency-name: zircote/swagger-php
  dependency-type: direct:development
...

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

composer.json

@@ -29,7 +29,7 @@
     "pestphp/pest": "^2.33",
     "phpstan/phpstan": "^1.10",
     "swoole/ide-helper": "^5.0",
-    "zircote/swagger-php": "4.8.0"
+    "zircote/swagger-php": "4.9.3"
   },
   "suggest": {
     "ext-openssl": "Required to use HTTPS.",