[BUG]: bargap property not included in type Plotly.Layout

[Mathlete-101]

Description

Plotly.Layout type does not include the bargap property.

Steps to reproduce

• Install plotly.js 4.0.0 and set up a new typescript project that includes the types
• In a new, typechecked file, write
  const example: Partial<Plotly.Layout> = {bargap: 0} and import the Plotly.Layout type

Expected: no type error
Actual: type error including 'bargap' does not exist in type Partial<Plotly.Layout>

[camdecoster]

Layout types got an update in v4.1.0. Could you try that version and report back?