ci(github-actions): bump trufflesecurity/trufflehog

Bumps the github-actions group with 1 update: [trufflesecurity/trufflehog](https://github.com/trufflesecurity/trufflehog).


Updates `trufflesecurity/trufflehog` from 3.88.14 to 3.88.15
- [Release notes](https://github.com/trufflesecurity/trufflehog/releases)
- [Changelog](https://github.com/trufflesecurity/trufflehog/blob/main/.goreleaser.yml)
- [Commits](trufflesecurity/trufflehog@7dc056a...ca270a7)

---
updated-dependencies:
- dependency-name: trufflesecurity/trufflehog
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/scans.yml

@@ -147,7 +147,7 @@ jobs:
         with:
           fetch-depth: 3
 
-      - uses: trufflesecurity/trufflehog@7dc056a193116ba8d82154bf0549381c8fb8545c # v3
+      - uses: trufflesecurity/trufflehog@ca270a7e14a3542229c2cadf1d408ecac1455815 # v3
         with:
           extra_args: --results=verified,unknown