Allow JavaScriptFunction for GridLaneConfiguration lineWidth

[dhelml]

Checklist

• I am able to reproduce the bug with the latest version
• I made sure that there are no existing issues - open or closed - which I could contribute my information to.
• I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• This issue contains only one bug.

Affected version

2.5.0

Steps to reproduce the bug

1. Check docu on chartjs.org for GridLineOptions

  /**
   * @default 1
   */
  lineWidth: ScriptableAndArray<number, ScriptableScaleContext>;

2. Allowed values should be Number and JavaScriptFunction

Expected behavior

Same options for Java available

Actual behavior

Only Number supported

Additional information

GridLaneConfiguration color and tickColor has that usecase allready available.
Same option is also missing for tickBorderDash and tickBorderDashOffset.

[AB-xdev]

Will be available in the next release :)