enh: Update to also pass ClientOptions to credentials args

[brightsparc]

• Additional update to support setting client_options for other SpeechAsyncClient constructors
  • extends #1089
• Update tests install for FAL

cc @theomonnom

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 32f25afc7940250360249a9d386ea24d14785dc6

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | ---------------------- | ----- | | livekit-plugins-google | Patch |

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[brightsparc]

@theomonnom could you please also review, approve this update which improves the last change.