ci(dependencies): Update trufflesecurity/trufflehog Docker tag to v3.91.0

[erNail]

This PR contains the following updates:

Package	Type	Update	Change
trufflesecurity/trufflehog	container	minor	3.90.13 -> 3.91.0

---

Release Notes

trufflesecurity/trufflehog (trufflesecurity/trufflehog)

v3.91.0

Compare Source

What's Changed

• Remove gh-actions approval workflows in favor of new repo setting by @​j2fw in #​4525
• Scan all images under a namespace for Docker remote registries by @​kashifkhan0771 in #​4514
• Added .msg and .doc to skipArchiverMimeTypes by @​jordanTunstill in #​4544
• Fix Github Wiki Page Links by @​mustansir14 in #​4538
• Added tests for new .msg and .doc file types to skipArchiverMimeTypes by @​jordanTunstill in #​4546
• Shadow context when enumerating GitHub by @​rosecodym in #​4549

Full Changelog: trufflesecurity/trufflehog@v3.90.13...v3.91.0

---

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 Renovate Bot.