[py] Adding recent changes to changelog

Author: diemol

py/CHANGES

@@ -8,6 +8,8 @@ Selenium 4.33.0
 * Add missing 'id' property to ShadowRoot class (#15739)
 * Use ruff for linting and code formatting (#15746)
 * return `message` as part of exception in `execute` method (#15751)
+* [bidi]: Add bidi webExtension module (#15749)
+* Better error for downloads on local webdrivers (#15756)
 
 Selenium 4.32.0
 * Add CDP for Chrome 136 and remove 133