build(deps-dev): Bump @umijs/openapi from 1.8.1 to 1.9.1

Bumps [@umijs/openapi](https://github.com/chenshuai2144/openapi2typescript) from 1.8.1 to 1.9.1.
- [Release notes](https://github.com/chenshuai2144/openapi2typescript/releases)
- [Commits](chenshuai2144/openapi2typescript@v1.8.1...v1.9.1)

---
updated-dependencies:
- dependency-name: "@umijs/openapi"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -76,7 +76,7 @@
     "@types/react-helmet": "^6.1.7",
     "@umijs/fabric": "^2.11.1",
     "@umijs/max": "^4.0.70",
-    "@umijs/openapi": "^1.8.1",
+    "@umijs/openapi": "^1.9.1",
     "cross-env": "^7.0.3",
     "cross-port-killer": "^1.4.0",
     "detect-installer": "^1.0.2",