tpm2_cli 0.2.0

TPM 2.0 command-line interface
## Commits

Commit messaged follow
[Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/)
specification.

## Versioning

Versioning follows
[Semantic Versioning](https://semver.org/)
specification.

A new version is created as follows:

```
git tag -s $MAJOR.$MINOR.$PATCH -m $MAJOR.$MINOR.$PATCH
git push origin $MAJOR.$MINOR.$PATCH
```

## Tags

Add a Signed-off-by trailer to the new commits.

## Backwards compatibility

* Patch versions are backwards compatible.
* Minor versions are keptmostly backwards compatible, but we're not going to
  hung up on it.