* Remove support for python 3.7 and older
* Add tag_filter as a way to pre-filter tags
* Detect src layout only if it exists and included by build config
* Accept context as the second argument to version_format function
* Update pyproject-metadata to support latest version of PEP 639
* Use fallback_version for source = "call"
* Out-of-box stubs package support
* Support a SOURCE_DATE_EPOCH prior to 1980
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-pdm-backend?expand=0&rev=12