Fix required pkg syntax
Fix required pkg syntax

The required state needs to be in list format.

saltstack-formulas/influxdb-formula,llevar/influxdb-formula,tomreay/influxdb-formula,seegno/influxdb-formula,llevar/influxdb-formula,seegno/influxdb-formula,gerhardqux/influxdb-formula,unicalabs/influxdb-formula,seegno/influxdb-formula,saltstack-formulas/influxdb-formula,unicalabs/influxdb-formula,tomreay/influxdb-formula,gerhardqux/influxdb-formula,saltstack-formulas/influxdb-formula,saltstack-formulas/influxdb-formula