docs: correct the default value of dismiss_stale_reviews to true in readme

Author: soerenmartius

CHANGELOG.md

@@ -29,6 +29,7 @@ Steps to upgrade will be added prior to the breaking release.
 
 - Set `webhooks` output as sensitive.
 - Add underscores in team names (special thanks to @marc-sensenich)
+- Fix `dismiss_stale_reviews` in README to a default value of `true`
 
 ## [0.10.1]
 

README.md

@@ -582,7 +582,7 @@ the repository:
 - **`dismiss_stale_reviews`**: _(Optional `bool`)_
 
   Dismiss approved reviews automatically when a new commit is pushed.
-  Default is `false`.
+  Default is `true`.
 
 - **`dismissal_users`**: _(Optional `list(string)`)_