Async data operations does not apply retry strategy

[thomasht86]

https://github.com/vespa-engine/pyvespa/blob/90d5342eefe9368cf6527fa7a042630e49c179ab/vespa/application.py#L1099C1-L1122C10

Tenacity's default policy is to retry_if_exception_type. https://tenacity.readthedocs.io/en/latest/ A 4/5xx-response will in this case never raise an exception, and thus not cause retry.