DOC: add link to benchmarks page in developer docs (#34408)

Author: SwordKnight6216

doc/source/development/contributing.rst

@@ -1275,8 +1275,8 @@ Performance matters and it is worth considering whether your code has introduced
 performance regressions. pandas is in the process of migrating to
 `asv benchmarks <https://github.com/spacetelescope/asv>`__
 to enable easy monitoring of the performance of critical pandas operations.
-These benchmarks are all found in the ``pandas/asv_bench`` directory.  asv
-supports both python2 and python3.
+These benchmarks are all found in the ``pandas/asv_bench`` directory, and the
+test results can be found `here <https://pandas.pydata.org/speed/pandas/#/>`__.
 
 To use all features of asv, you will need either ``conda`` or
 ``virtualenv``. For more details please check the `asv installation