build(deps): update jane-php/open-api-runtime requirement

Updates the requirements on [jane-php/open-api-runtime](https://github.com/janephp/open-api-runtime) to permit the latest version.
- [Release notes](https://github.com/janephp/open-api-runtime/releases)
- [Commits](janephp/open-api-runtime@v7.7.0...v7.8.0)

---
updated-dependencies:
- dependency-name: jane-php/open-api-runtime
  dependency-type: direct:production
...

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

composer.json

@@ -21,7 +21,7 @@
         }
     ],
     "require": {
-        "jane-php/open-api-runtime": "7.7.0",
+        "jane-php/open-api-runtime": "7.8.0",
         "php": ">=8.0"
     },
     "require-dev": {