v17.4.0

@mathieuancelin

Otoroshi version 17.4.0

Add JSON documentation generator for workflows (#2199 fixed by mathieuancelin)
Add Markdown documentation generator for workflows (#2200 fixed by mathieuancelin)
Add more Workflow operators (#2202 fixed by mathieuancelin)
Plugin to assert that a consumer is present on a route (#2203 fixed by mathieuancelin)
Plugin to validate basic auth. using an auth. module without the otoroshi proxy sso mode (#2204 fixed by mathieuancelin)
Cookie manipulation plugins can now use expression language (#2207 fixed by mathieuancelin)
Http Call data exporter (#2211 fixed by mathieuancelin)
Workflow data exporter (#2212 fixed by mathieuancelin)

Add documentation details in workflow APIs (#2198 fixed by mathieuancelin)
Support host functions in WebAssembly written in JavaScript. (#2209 fixed by Zwiterrion)
update bitnami/redis version for otoroshi helm chart (#2210 fixed by mathieuancelin)

Add documentation data for all core nodes/functions/operators (#2201 fixed by mathieuancelin)
Remove Scripts from documentation (#2206 fixed by mathieuancelin)