- Rewrite _service file to work around
https://github.com/openSUSE/obs-service-tar_scm/issues/481

- Update to 0.9.0:
* Added 3 new cargo features:
+ pgp-commands: enables the commands PGP backend (enabled by default, same behaviour as before)
+ pgp-gpg: enables the GPG backend (requires the gpgme lib on the system)
+ pgp-native: enables the native PGP backend
* Added account configuration pgp to configure the way PGP operations are performed.
* Moved email-writing-encrypt-cmdto pgp.encrypt-cmd.
* Moved email-reading-decrypt-cmd to pgp-decrypt-cmd.
* Moved email-writing-sign-cmd to pgp.sign-cmd.
* Moved email-reading-verify-cmd to pgp.verify-cmd.