a11y console errors

[danielsogl]

• components: Dropdown
• reactstrap version 8.1.0
• import method umd
• react version latest
• bootstrap version latest

What is happening?

The new property a11y is throwing errors because of the boolean value true that is set now by default.

What should be happening?

The prop should be set as described by react

Steps to reproduce issue

1. use a drop down or any other component with the new a11y prop
2. run the app and open the console

Error message in console

Warning: Received `true` for a non-boolean attribute `a11y`.

If you want to write it to the DOM, pass a string instead: a11y="true" or a11y={value.toString()}.

[rhdtl78]

I think it comes from here

[TheSharpieOne]

fixed in #1673