cubicweb #5355967 Remove `cachekey` argument from `web.views.urlrewrite.rgx_action` function [validation pending]

This argument has been dropped a long time ago and causes problems when passed to req.execute function (rset description is not generated)

prioritynormal
typebug
done in3.20.8
load0.200
load left0.000
closed by#5234525560ac [web, urlrewrite] remove unused `cachekey` argument from `rgx_action` (closes #5355967)
patch[web, urlrewrite] remove unused `cachekey` argument from `rgx_action` (closes #5355967) [applied]