chore: sync dev with master

…icon avatars (closes #4990) (#4991)

* feat(b-avatar): add `img-alt` prop for adding alt attribute to image avatars (closes #4990)

* Update package.json

* Update avatar.js

* Update package.json

* Update avatar.js

* Update avatar.js

* Update avatar.js

Co-authored-by: Jacob Müller <jacob.mueller.elz@gmail.com>

Co-authored-by: Renovate Bot

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Co-authored-by: Jacob Müller <jacob.mueller.elz@gmail.com>

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Co-authored-by: Jacob Müller

Co-authored-by: Renovate Bot <bot@renovateapp.com>

…5003)

… events (#5004)

* feat(b-form-datepicker, b-form-timepicker): emit shown and hidden events

* Update form-timepicker.js

* Update package.json

* Update package.json

Co-authored-by: Jacob Müller <jacob.mueller.elz@gmail.com>

* chore(docs): prompt user for issue type when reporting docs issue

* Create DOCS_ISSUE_TEMPLATE.md

* Update feedback.js

* Update DOCS_ISSUE_TEMPLATE.md

* Update DOCS_ISSUE_TEMPLATE.md

Co-authored-by: Jacob Müller <jacob.mueller.elz@gmail.com>

Co-authored-by: Jacob Müller

Co-authored-by: Renovate Bot <bot@renovateapp.com>

…ss` and `link-class` prop (#5014)

* feat(b-drodpown-item-button): add button-class prop

Add the button class prop to the
b-dropdown-item-button and also
add a test to ensure its working
as expected.

* Update dropdown-item-button.js

* Update package.json

* Update dropdown-item.js

* Update package.json

* Update dropdown-item.spec.js

Add new test to ensure the linkClass
prop value is applied correctly to the
a element.

Co-authored-by: pburdette <pburdette@gitlab.com>
Co-authored-by: Troy Morehouse <troymore@nbnet.nb.ca>

* chore(docs): minor updates to modal props meta

* Update package.json

* Update package.json

* Update package.json

Co-authored-by: Jacob Müller <jacob.mueller.elz@gmail.com>

Co-authored-by: Renovate Bot <bot@renovateapp.com>