chore(main): release 7.3.0 (#722)

:robot: I have created a release *beep* *boop*
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##
[7.3.0](https://github.com/deepgram/deepgram-python-sdk/compare/v7.2.0...v7.3.0)
(2026-06-01)


### Features

* **client:** add a declarative `reconnect` flag with transport-factory
auto-disable. `DeepgramClient` / `AsyncDeepgramClient` now accept
`reconnect: bool = True` (exposed read-only as `client.reconnect`). When
a custom `transport_factory` is supplied, `reconnect` auto-sets to
`False` to signal that the transport owns its own retry/reconnect
lifecycle — e.g. the SageMaker transport's jittered backoff + replay
buffers — so SDK-level retries don't stack on top and cause
storm-on-storm under burst load. Pass `reconnect=True` explicitly to opt
back in. Declarative only for now (the Python SDK has no wrapper
reconnect layer; `websockets` doesn't auto-reconnect), fully
backwards-compatible, and parity with the same flag in the JS
([#492](https://github.com/deepgram/deepgram-js-sdk/issues/492)) and
Java SDKs
([#720](https://github.com/deepgram/deepgram-python-sdk/issues/720))
([b5d5905](https://github.com/deepgram/deepgram-python-sdk/commit/b5d590577429adeacfe2068df4c33201a158c9de))

---
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Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

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Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Greg Holmes <greg.holmes@deepgram.com>