chore(main): release 2.4.7

[release-please]

🤖 I have created a release beep boop

2.4.7 (2022-09-28)

Dependencies

• Update dependency cachetools to v5 (#781) (e27616a)
• Update dependency certifi to v2022.9.24 (#763) (57a8297)
• Update dependency charset-normalizer to v2.1.1 (#771) (a74a78f)
• Update dependency click to v8.1.3 (#772) (fc5f87e)
• Update dependency gcp-releasetool to v1.8.8 (#764) (99488eb)
• Update dependency google-api-core to v2.10.1 (#773) (7a197f4)
• Update dependency google-cloud-core to v2.3.2 (#765) (8dd2b99)
• Update dependency google-cloud-storage to v2.5.0 (#774) (df69ce9)
• Update dependency google-crc32c to v1.5.0 (#775) (3aaa349)
• Update dependency googleapis-common-protos to v1.56.4 (#770) (63592ef)
• Update dependency importlib-metadata to v4.12.0 (#776) (e07df92)
• Update dependency jeepney to v0.8.0 (#777) (e96b692)
• Update dependency markupsafe to v2.1.1 (#783) (b04831f)
• Update dependency protobuf to v3.20.2 (#784) (9d44095)
• Update dependency protobuf to v4 (#782) (6de410b)
• Update dependency pyjwt to v2.5.0 (#767) (f8d23b1)
• Update dependency requests to v2.28.1 (#778) (c98a040)
• Update dependency typing-extensions to v4.3.0 (#779) (0b16827)
• Update dependency zipp to v3.8.1 (#780) (825896b)

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[yoshi-approver]

Rubber stamped release!

[release-please]

🤖 Release is at https://github.com/googleapis/java-texttospeech/releases/tag/v2.4.7 🌻

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