Use circle 2.1 with workflow auto-cancellation (#4051)
Use circle 2.1 with workflow auto-cancellation (#4051)

* Use circle 2.1 with auto-cancellation

* Try to auto-cancel workflow

* Fix jobs

* Try to auto-cancel workflow

* Don't filter branches anymore

* Fix syntax

decidim/decidim,AjuntamentdeBarcelona/decidim,AjuntamentdeBarcelona/decidim,codegram/decidim,mainio/decidim,mainio/decidim,AjuntamentdeBarcelona/decidim,codegram/decidim,codegram/decidim,mainio/decidim,codegram/decidim,mainio/decidim,decidim/decidim,mainio/decidim,decidim/decidim,AjuntamentdeBarcelona/decidim