Pubtools-quay

What's Changed
* Raise an error when manifest claims retry limit is reached by querti in https://github.com/release-engineering/pubtools-quay/pull/258
* Manifest is outdated if both old and new manifests have digests by midnightercz in https://github.com/release-engineering/pubtools-quay/pull/259


**Full Changelog**: https://github.com/release-engineering/pubtools-quay/compare/v0.21.0...v0.22.0

* Fix SBOM publishing for the ML merge workflow
* Remove incompleteness_reasons field from SBOMs before publishing them

* Signing via pubtools-sign
* Instrument tracing for container push by zxiong in https://github.com/release-engineering/pubtools-quay/pull/201
* Add static typing to pubtools-quay by querti in https://github.com/release-engineering/pubtools-quay/pull/203
* Add option to disable sending transparency logs to rekor by querti in https://github.com/release-engineering/pubtools-
* Full Changelog: https://github.com/release-engineering/pubtools-quay/compare/v0.18.0...v0.19.0

* Generate SBOM attestations for manifest lists

* Should not call IIB if bundle is opted in fbc and targets OCP