Upgrade to Feign 13.9

[trafficant]

Please Upgrade to Feign 13.9 to get full Jackson 3 Support including JsonMapper
https://github.com/OpenFeign/feign/releases/tag/13.9

[herrytco]

This also blocks our daily business

[AlexyNau]

It will also remove critical and high vulnerabilities from io.undertow:undertow-core 2.3.18.Final that comes from io.github.openfeign/feign-form 13.6.

Checkmarx :

It need at least feign 13.7 here to remove these 4 vulnerabilities.