update link to current homepage
update link from non-existent page (https://2.python-requests.org/en/latest/) to the plugin's current homepage:
@@ -11,7 +11,7 @@ To use the ``fetchart`` plugin, first enable it in your configuration (see
The plugin uses `requests`_ to fetch album art from the Web.
-.. _requests: https://docs.python-requests.org/en/latest/
+.. _requests: https://requests.readthedocs.io/en/master/
Fetching Album Art During Import
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