Update trufflehog requirement from ~=2.1.0 to ~=2.2.1 in /package (#1080

)

Updates the requirements on [trufflehog](https://github.com/dxa4481/truffleHog) to permit the latest version.
- [Release notes](https://github.com/dxa4481/truffleHog/releases)
- [Changelog](https://github.com/trufflesecurity/trufflehog/blob/main/.goreleaser.yml)
- [Commits](https://github.com/dxa4481/truffleHog/commits)

---
updated-dependencies:
- dependency-name: trufflehog
  dependency-type: direct:production
...

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package/test_requirements.txt

@@ -15,7 +15,7 @@ pytest-asyncio~=0.17.2
 pytest-cov~=3.0.0
 pytest-mock~=3.8.2
 sqlalchemy-stubs~=0.4
-trufflehog~=2.1.0
+trufflehog~=2.2.1
 
 # mypy
 types-aiofiles==0.1.3