Scan recent commits in repository for secrets with trufflehog.

steps:
- uses: actions/checkout@v2
- uses: UnicornGlobal/trufflehog-actions-scan@master
  with:
    branch: ${{ github.head_ref }}

This will make sure it only runs on the branch that's been pushed

Based on: https://github.com/edplato/trufflehog-actions-scan

We don't want to add a special key when we already have a local copy of the git repo. There is no need to check remotely.

We also don't need special config flags so we removed that functionality too.

We had to change a lot to get it to work.

MIT License