fix(deps): update dependency @googleapis/gmail to v12

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@googleapis/gmail	11.0.0 -> 12.0.0

---

Release Notes

googleapis/google-api-nodejs-client (@​googleapis/gmail)

v12.0.0

Compare Source

⚠ BREAKING CHANGES

• This release has breaking changes.
• displayvideo: This release has breaking changes.
• compute: This release has breaking changes.

Features

• appengine: update the API (3a57b47)
• chromemanagement: update the API (1c18b16)
• cloudsearch: update the API (110d85a)
• compute: update the API (bb19b0d)
• dialogflow: update the API (a313a0d)
• displayvideo: update the API (f746fe6)
• regenerate index files (bb9d246)
• run the generator (#​3161) (6fe904a)

Bug Fixes

• cloudfunctions: update the API (dd8be29)
• cloudtrace: update the API (0c7a479)
• datacatalog: update the API (f8337b1)
• dataplex: update the API (85a06ee)
• gmail: update the API (c6fa1dc)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.