[REQ] Spring Boot v3.2.x RestClient support

[nlgl]

Is your feature request related to a problem? Please describe.

I can not use RestClient since it is not supported yet. Is there a plan to add it to java generator

Describe the solution you'd like

Describe alternatives you've considered

Additional context

[wing328]

we welcome contributions to support that. let us know if you need help with the PR.

[rfelgent]

I try to provide an MR

[wpfeiffe]

I try to provide an MR

@rfelgent I may look at this as well, have you made any progress?

[rfelgent]

@wpfeiffe go for it... I didn't have time...

[Nicklas2751]

Since there is no PR currently I started working on this.

If you're interested in my current status see: https://github.com/Nicklas2751/openapi-generator/commits/spring-restclient/

[wing328]

Thanks @Nicklas2751

Let us know if you need any help.

[wing328]

Hi all, @Nicklas2751 has filed #18522 to add support for the new Spring RestClient.

Please help review the change when you've time. Thank you.