Update v3.0.0.rst with enhancement description

Author: u7955901

doc/source/whatsnew/v3.0.0.rst

@@ -228,7 +228,7 @@ Other enhancements
 - Support reading Stata 102-format (Stata 1) dta files (:issue:`58978`)
 - Support reading Stata 110-format (Stata 7) dta files (:issue:`47176`)
 - Switched wheel upload to **PyPI Trusted Publishing** (OIDC) for release-tag pushes in ``wheels.yml``. (:issue:`61718`)
--
+- Added functionality to support saving json without escpaing forward slashes by adding to :meth:`DataFrame.to_json` (:issue:`61442`)
 
 .. ---------------------------------------------------------------------------
 .. _whatsnew_300.notable_bug_fixes: