Missing rule & autofix for v-textarea "box" -> "filled" & "outline" -> "outlined"

[Douglas Gaskell]

Other inputs have this prop flagged, but v-textarea does not.

• box -> filled
• outline -> outlined

Reference: https://vuetifyjs.com/en/getting-started/upgrade-guide/#v-text-field-v-select-v-textarea-v-autocomplete-v-combobox