[SchemaRegistry] CI regression test failure

[yunhaoling]

The API version has been updated in the swagger which is used to generate client code.
In the CI there seems to be a by-design failure as the error information is telling us that the api-version of the request doesn't match.

We should check

• Is this a real issue
• How to fix it

E               vcr.errors.CannotOverwriteExistingCassetteException: Can't overwrite existing cassette ('/mnt/vss/_work/1/.tmp_code_path/azure-sdk-for-python/sdk/schemaregistry/azure-schemaregistry-avroserializer/tests/recordings/test_avro_serializer.test_basic_sr_avro_serializer.yaml') in your current record mode ('once').
E               No match for the request (<Request (PUT) https://fake_resource.servicebus.windows.net/$schemagroups/fakegroup/schemas/example.avro.User?api-version=2020-09-01-preview>) was found.
E               Found 1 similar requests with 1 different matcher(s) :
E               
E               1 - (<Request (PUT) https://fake_resource.servicebus.windows.net/$schemagroups/fakegroup/schemas/example.avro.User?api-version=2017-04>).
E               Matchers succeeded : ['method', 'scheme', 'host', 'port', 'path']
E               Matchers failed :
E               _custom_request_query_matcher - assertion failure :
E               None

[swathipil]

https://dev.azure.com/azure-sdk/internal/_build/results?buildId=1083385&view=logs&j=3fadc984-4acf-5cfe-b896-a35ffcc3efec