message: chore: remove the "beta" from openapi readme.
diff: <a href="https://sap.com/s4sdk"><img src="https://help.sap.com/doc/2324e9c3b28748a4ae2ad08166d77675/1.0/en-US/logo-with-js.svg" alt="SAP Cloud SDK for JavaScript Logo" height="122.92" width="226.773"/></a>
  <!-- sap-cloud-sdk-logo-stop -->
  -# @sap-cloud-sdk/openapi-generator (Beta)
  +# @sap-cloud-sdk/openapi-generator
  This package contains the generator to create your own service module using a OpenAPI specification.
  This generator is based on the [OpenAPI Tools generator](https://openapi-generator.tech/) for OpenAPI and adds some additional code for convenience to better integrate with the SAP Cloud SDK.
  