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

[renovate]

This PR contains the following updates:

Package	Update	Change
zricethezav/gitleaks	patch	v8.18.2 -> v8.18.4

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Release Notes

gitleaks/gitleaks (zricethezav/gitleaks)

v8.18.4

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Changelog

• 02808f4 Limit hashicorp-tf-password to .tf/.hcl files (#​1420)
• 07e1c30 rm print
• db63fc1 reduce telegram... todo url and xml for later
• 9a4538c coderabbit.ai <3
• fe94ef9 Add NewRelic insert key detection (#​1417)
• bb4424d Improved Telegram bot token rule regex and added more test cases (#​1404)
• 575e923 Add intra42 client secret (#​1408)

Shout out to @​coderabbit for their sponsorship!

v8.18.3

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Changelog

• 39947b0 extend FB access token discovery (#​1407)
• 79cac73 tests: scalingo validation consistent test (#​1359)
• 247f423 add real (test) standard and restricted keys (#​1375)
• 821b232 Add Cloudflare API and Origin CA keys (#​1374)
• 57ac4b3 Update "contributing guidelines" link (#​1390)
• db69e82 add update token from square (#​1370)
• 4b54328 feat: facebook secret, access token, and page access token rules (#​1372)
• 979f213 update mailchimp with new tokens (#​1376)
• 59c0cc7 Append ordered rules when extending (#​1304)
• 6c52f87 fix: age rule id with dashes (#​1349)
• 247a5e7 patching golang.org/x/text for CVE-2021-38561 and CVE-2022-32149 (#​1342)
• 8d23afd Use latest base images. (#​1334)

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