Add CBOR support to WebFlux

[spring-projects-issues]

Sébastien Deleuze opened SPR-15961 and commented

See FasterXML/jackson-dataformats-binary#110

---

Issue Links:

• Support Protobuf serialization in WebFlux [SPR-15776] #20331 Support Protobuf serialization in WebFlux

[sdeleuze]

Closing this issue as a duplicate of #35787 since it is now configured if present.

Streaming is still not supported due to the lack of support on Jackson side per FasterXML/jackson-dataformats-binary#110, so likely not useful to keep an issue opened here. Let's open one if Jackson unlocks that.