added ff release note for xywh in shape-outside (#43481)

* added ff release note for xywh in shape-outside

* Update files/en-us/mozilla/firefox/releases/149/index.md

Co-authored-by: Dipika Bhattacharya <dipika@foss-community.org>

---------

Co-authored-by: Dipika Bhattacharya <dipika@foss-community.org>

Author: dletorey

files/en-us/mozilla/firefox/releases/149/index.md

@@ -37,7 +37,9 @@ Firefox 149 is the current [Beta version of Firefox](https://www.firefox.com/en-
 
 <!-- #### Removals -->
 
-<!-- ### CSS -->
+### CSS
+
+- The {{CSSXRef("shape-outside")}} CSS property now supports the [`xywh()`](/en-US/docs/Web/CSS/Reference/Values/basic-shape/xywh) function as a value. This allows you to define a shape for inline content to wrap around, using distances from the left (`x`) and top (`y`) edges of the containing block and a width (`w`) and height (`h`). ([Firefox bug 1983187](https://bugzil.la/1983187)).
 
 <!-- #### Removals -->