[full-ci] enhancement: use reva client pool selectors (#6452)

* enhancement: use reva client pool selectors

register mock service to registry and pass tests

* enhancement: bump reva

* Fix a couple of linter issues

---------

Co-authored-by: Ralf Haferkamp <rhaferkamp@owncloud.com>

services/auth-basic/pkg/revaconfig/config.go

@@ -1,6 +1,8 @@
 package revaconfig
 
-import "github.com/owncloud/ocis/v2/services/auth-basic/pkg/config"
+import (
+	"github.com/owncloud/ocis/v2/services/auth-basic/pkg/config"
+)
 
 // AuthBasicConfigFromStruct will adapt an oCIS config struct into a reva mapstructure to start a reva service.
 func AuthBasicConfigFromStruct(cfg *config.Config) map[string]interface{} {