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Features:
* [433](https://github.com/godaddy/tartufo/pull/433) - Dropped support for deprecated flags rules, b64, hex
and corresponding code around deprecated options. Removed support for old signatures which generated with +/-
chars in git diff.
* [411](https://github.com/godaddy/tartufo/pull/411) - Drop support for python 3.6.
This version reached end of life several years ago, and end of security support at
the end of 2021. Users with a requirement to run tartufo on this python version
should remain at v3.3.x.
* [403](https://github.com/godaddy/tartufo/pull/403) - Add support for python 3.11.
* Update various support libraries to current versions
* Rebase container to python 3.11
* Add CI step to verify container is operational
* [348](https://github.com/godaddy/tartufo/pull/348) - Add --no-git-check option
to skip confirmation dialog for scan-folder