[deps]: Update @openapitools/openapi-generator-cli to v2.9.0 (#526)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[@openapitools/openapi-generator-cli](https://togithub.com/OpenAPITools/openapi-generator-cli)
| [`2.7.0` ->
`2.9.0`](https://renovatebot.com/diffs/npm/@openapitools%2fopenapi-generator-cli/2.7.0/2.9.0)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/@openapitools%2fopenapi-generator-cli/2.9.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/@openapitools%2fopenapi-generator-cli/2.9.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/@openapitools%2fopenapi-generator-cli/2.7.0/2.9.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/@openapitools%2fopenapi-generator-cli/2.7.0/2.9.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>OpenAPITools/openapi-generator-cli
(@&#8203;openapitools/openapi-generator-cli)</summary>

###
[`v2.9.0`](https://togithub.com/OpenAPITools/openapi-generator-cli/releases/tag/v2.9.0)

[Compare
Source](https://togithub.com/OpenAPITools/openapi-generator-cli/compare/v2.8.2...v2.9.0)

##### Features

- **release:** trigger a release
([720b405](https://togithub.com/OpenAPITools/openapi-generator-cli/commit/720b405fd0984b6e9b510358418ea1b80ea3113b))

###
[`v2.8.2`](https://togithub.com/OpenAPITools/openapi-generator-cli/releases/tag/v2.8.2)

[Compare
Source](https://togithub.com/OpenAPITools/openapi-generator-cli/compare/v2.8.1...v2.8.2)

##### Bug Fixes

- **deps:** update dependency reflect-metadata to v0.2.1
([#&#8203;739](https://togithub.com/OpenAPITools/openapi-generator-cli/issues/739))
([ab79be5](https://togithub.com/OpenAPITools/openapi-generator-cli/commit/ab79be553de9eb555131db636b2e03801ce8021b))

###
[`v2.8.1`](https://togithub.com/OpenAPITools/openapi-generator-cli/releases/tag/v2.8.1)

[Compare
Source](https://togithub.com/OpenAPITools/openapi-generator-cli/compare/v2.8.0...v2.8.1)

##### Bug Fixes

- **deps:** update dependency inquirer to v8.2.6
([#&#8203;733](https://togithub.com/OpenAPITools/openapi-generator-cli/issues/733))
([ef2f694](https://togithub.com/OpenAPITools/openapi-generator-cli/commit/ef2f6948a4d8848317dfc22ea15162d484ce8081))
- **deps:** update dependency rxjs to v7.8.1
([#&#8203;734](https://togithub.com/OpenAPITools/openapi-generator-cli/issues/734))
([7a5c806](https://togithub.com/OpenAPITools/openapi-generator-cli/commit/7a5c8067401b27665eb828d03ae4e0f40a9f5c5b))

###
[`v2.8.0`](https://togithub.com/OpenAPITools/openapi-generator-cli/releases/tag/v2.8.0)

[Compare
Source](https://togithub.com/OpenAPITools/openapi-generator-cli/compare/v2.7.0...v2.8.0)

##### Features

- **release:** trigger a release
([7cc735e](https://togithub.com/OpenAPITools/openapi-generator-cli/commit/7cc735e8e2cd1e47beae51b292815c117f03592b))

</details>

---

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