chore(deps): update zricethezav/gitleaks docker tag to v8.18.4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
zricethezav/gitleaks		patch	v8.18.3 -> v8.18.4
zricethezav/gitleaks	stage	patch	v8.18.3 -> v8.18.4

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Release Notes

gitleaks/gitleaks (zricethezav/gitleaks)

### [`v8.18.4`](https://togithub.com/gitleaks/gitleaks/releases/tag/v8.18.4) [Compare Source](https://togithub.com/gitleaks/gitleaks/compare/v8.18.3...v8.18.4) ##### Changelog - [`02808f4`](https://togithub.com/gitleaks/gitleaks/commit/02808f4) Limit hashicorp-tf-password to .tf/.hcl files ([#​1420](https://togithub.com/gitleaks/gitleaks/issues/1420)) - [`07e1c30`](https://togithub.com/gitleaks/gitleaks/commit/07e1c30) rm print - [`db63fc1`](https://togithub.com/gitleaks/gitleaks/commit/db63fc1) reduce telegram... todo url and xml for later - [`9a4538c`](https://togithub.com/gitleaks/gitleaks/commit/9a4538c) coderabbit.ai <3 - [`fe94ef9`](https://togithub.com/gitleaks/gitleaks/commit/fe94ef9) Add NewRelic insert key detection ([#​1417](https://togithub.com/gitleaks/gitleaks/issues/1417)) - [`bb4424d`](https://togithub.com/gitleaks/gitleaks/commit/bb4424d) Improved Telegram bot token rule regex and added more test cases ([#​1404](https://togithub.com/gitleaks/gitleaks/issues/1404)) - [`575e923`](https://togithub.com/gitleaks/gitleaks/commit/575e923) Add intra42 client secret ([#​1408](https://togithub.com/gitleaks/gitleaks/issues/1408)) Shout out to [@​coderabbit](https://togithub.com/coderabbitai) for their sponsorship!

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🦙 MegaLinter status: ⚠️ WARNING

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See detailed report in MegaLinter reports

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