Added abbr prop to the allowlist of forwardable props (#2621)

* Add abbr attribute to list of valid attributes

https://developer.mozilla.org/en-US/docs/Web/HTML/Element/th#attributes

* Create ninety-queens-fly.md

Co-authored-by: Mateusz Burzyński <mateuszburzynski@gmail.com>

Author: andreasmcdermott

.changeset/ninety-queens-fly.md

@@ -0,0 +1,5 @@
+---
+"@emotion/is-prop-valid": patch
+---
+
+Added [`abbr`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/th#attr-abbr) prop to the allowlist of forwardable props.

packages/is-prop-valid/src/props.js

@@ -20,6 +20,7 @@ const props = {
    * Standard Properties
    */
 
+  abbr: true,
   accept: true,
   acceptCharset: true,
   accessKey: true,