Prevent caching GetTaxonomy Action

[HermesSbicego-Laser]

That action is called by LocalizedTaxonomyField editor view and need to not serve cached data

[MatteoPiovanelli-Laser]

@sebastienros to clarify this: If the results results from that action are cached, the backoffice UI for taxonomyfields in localizable contentItems may result inconsistent after an update where the selected terms have been changed.