Describe the bug

When creating a table that has select-able rows, the aria-multiselectable attribute is added to the table element. This attribute is not valid on table elements.

Steps to reproduce the bug

1. Create a bootstrap-table
2. Add the selectable prop
3. Test accessibility with Deque Axe, IBM Accessibility Checker, or Lighthouse

Expected behavior

There shouldn't be a violation.

Versions

Libraries:

• BootstrapVue: 2.21.2
• Bootstrap: 4.5.0
• Vue: 2.6.11

Environment:

• Device: All browsers
• OS: Any
• Browser: All
• Version: Any

Demo link

https://codepen.io/BeyondHyper/pen/xxEJXXG

Additional context

Open the pen in debug mode and run Deque Axe, IBM Accessibility Checker, or Lighthouse w/Accessibility checked to review the violation.