Tick disrespects timeUnit for its width

[kanitw]

{
  "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
  "description": "Google's stock price over time.",
  "data": {"url": "data/stocks.csv"},
  "transform": [{"filter": "datum.symbol==='GOOG'"}],
  "mark": "bar",
  "encoding": {
    "x": {"timeUnit": "year", "field": "date", "type": "temporal"},
    "y": {"aggregate": "sum", "field": "price", "type": "quantitative"}
  }
}

whereas a similar bar would respect:

[kanitw]

will be fixed in #9415