chore(deps): update pre-commit hook gitleaks/gitleaks to v8.20.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
gitleaks/gitleaks	repository	minor	v8.19.3 -> v8.20.0

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Release Notes

gitleaks/gitleaks (gitleaks/gitleaks)

### [`v8.20.0`](https://redirect.github.com/gitleaks/gitleaks/compare/v8.19.3...v8.20.0) [Compare Source](https://redirect.github.com/gitleaks/gitleaks/compare/v8.19.3...v8.20.0)

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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.

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

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

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