chore(deps): update dependency google/googlesignin-ios to v8

[cgrindel-self-hosted-renovate]

This PR contains the following updates:

Package	Update	Change
google/GoogleSignIn-iOS	major	from: "7.1.0" -> from: "8.0.0"

---

Release Notes

google/GoogleSignIn-iOS (google/GoogleSignIn-iOS)

v8.0.0

Compare Source

• General release adding Firebase App Check support to establish your
  application's integrity while signing in with Google
• Update minimum iOS support to iOS 12 (#​445)
• Internal
  • Update AppCheckCore dependency to v11.0 (#​454)
  • Add instancetype return to test helper (#​393)
  • Remove GTMSessionFetcher modular import (#​403)
  • Bump activesupport from 5.2.5 to 5.2.8.1 in the bundler group (#​429)
  • Remove deprecated macos-11 runner (#​447)
  • Update deprecated archiving API usage in tests (#​449)

---

Configuration

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

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

---

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

---

This PR has been generated by Renovate Bot.

[cgrindel-self-hosted-renovate]

Edited/Blocked Notification

Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

⚠️ Warning: custom changes will be lost.