README: update badge URLs for Github Actions
.. _PyPI link: https://pypi.org/project/jsonpickle
-.. image:: https://dev.azure.com/jaraco/jsonpickle/_apis/build/status/jaraco.jsonpickle?branchName=master
- :target: https://dev.azure.com/jaraco/jsonpickle/_build/latest?definitionId=1&branchName=master
-
.. image:: https://readthedocs.org/projects/jsonpickle/badge/?version=latest
:target: https://jsonpickle.readthedocs.io/en/latest/?badge=latest
-.. image:: https://travis-ci.org/jsonpickle/jsonpickle.svg?branch=master
- :target: https://travis-ci.org/jsonpickle/jsonpickle
- :alt: travis
+.. image:: https://github.com/jsonpickle/jsonpickle/actions/workflows/test.yml/badge.svg
+ :target: https://github.com/jsonpickle/jsonpickle/actions
+ :alt: Github Actions
.. image:: https://img.shields.io/badge/License-BSD%203--Clause-blue.svg
- :target: https://github.com/jsonpickle/jsonpickle/blob/master/COPYING
+ :target: https://github.com/jsonpickle/jsonpickle/blob/main/COPYING
:alt: BSD
