Release 0.11.0

- refactor: get rid of tpm2b helpers
- refactor: remove tpm_has_size
- refactor: refine TpmError variants
- refactor: rename TpmErrorKind to TpmError
- feat(buffer): on-wire format
- refactor: cancel out TpmErrorKind::Failure
- feat(data): refine TpmRc
- chore: bump version 0.11.0