Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

…pment/actions/checkout-4

ghaw: bump actions/checkout from 3 to 4

daebc60

Sync latest changes from master branch

- add Element.Visible field
  - to control visibility of Elements
  - if not specified, this value defaults to true by omitting
    the field from the generated JSON payload
- add TargetElement type
- add Action.TargetElement field
  - to specify collection of TargetElement values
  - used to specify target Element values whose visibility
    state should be controlled by the Element whose Action
    the TargetElement field is associated with
- add ISelectAction.TargetElements field
  - same purpose as Action.TargetElement field
- add missing validation for Element.SelectAction field
  for Element of ColumnSet type
- add missing validation for Element.SelectAction field
  for Element of Container type
- add Column.AddSelectAction method
  - accepts Action or ISelectAction value
- update ISelectAction.Validate method
  - add missing validation for ISelectAction.Fallback field
  - add validation for ISelectAction.TargetElements field
    for Action.ToggleVisibility type
- update Action.Validate method
  - convert validation logic to use validator package
- add Action.AddTargetElement method
  - accepts multiple Element values
  - allows explicitly setting target Element visibility
- add Action.AddVisibleTargetElement method
  - convienence method to explicitly enable visibility for target
    Element values
- add Action.AddHiddenTargetElement method
  - convienence method to explicitly disable visibility for target
    Element values
- add Action.AddTargetElementID method
  - accepts multiple Element ID values
  - allows explicitly setting target Element visibility
- add new helper "constructor" functions
  - NewHiddenerContainer
  - NewColumn
  - NewColumnSet
  - NewHiddenTextBlock
  - NewActionToggleVisibility
- update Container.AddAction
  - add note to doc comments directing reader to
    Container.AddSelectAction for adding an Action to be used when the
    Container is tapped or selected
- add Container.AddSelectAction method
  - accepts Action or ISelectAction value
- add examples
  - add toggle-visibility-column-action
  - add toggle-visibility-container-action
  - add toggle-visibility-multiple-buttons
  - add toggle-visibility-single-button

refs GH-243
refs GH-239

Initial support for toggling visibility