Update baraja-core/structured-api requirement from ^3.0 to ^4.1

Updates the requirements on [baraja-core/structured-api](https://github.com/baraja-core/structured-api) to permit the latest version.
- [Release notes](https://github.com/baraja-core/structured-api/releases)
- [Commits](baraja-core/structured-api@v3.0.0...v4.1.1)

---
updated-dependencies:
- dependency-name: baraja-core/structured-api
  dependency-type: direct:development
...

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

composer.json

@@ -14,7 +14,7 @@
 		"baraja-core/doctrine": "^3.0"
 	},
 	"require-dev": {
-		"baraja-core/structured-api": "^3.0",
+		"baraja-core/structured-api": "^4.1",
 		"baraja-core/plugin-system": "^2.0",
 		"phpstan/phpstan": "^1.0",
 		"phpstan/extension-installer": "^1.1",