v2.6.0

Major Scope

As a central focus, this release contains rekor transparency log support for cosign, updates of several dependencies, and important refactoring 🚀

For more info on rekor support, read the docs 📝

update: update mkdocs-material requirement from ~=8.2.9 to ~=8.2.11 by @dependabot in #641
update: bump github/codeql-action from 1 to 2 by @dependabot in #640
update: update jinja2 requirement from ~=3.1.1 to ~=3.1.2 by @dependabot in #645
update: update flask requirement from ~=2.1.1 to ~=2.1.2 by @dependabot in #644
update: cosign v1.7.2 to v1.8.0 by @xopham in #643
feat: key interface by @phbelitz in #540
update: update mkdocs-material requirement from ~=8.2.11 to ~=8.2.12 by @dependabot in #647
update: update rsa requirement from ~=4.7.2 to ~=4.8 by @dependabot in #648
update: update setuptools requirement from ~=62.1.0 to ~=62.2.0 by @dependabot in #654
update: update jsonschema requirement from ~=4.4.0 to ~=4.5.1 by @dependabot in #652
update: update mkdocs-material requirement from ~=8.2.12 to ~=8.2.14 by @dependabot in #653
update: update pylint requirement from ~=2.13.7 to ~=2.13.8 by @dependabot in #650
feat: validate cosign signatures against rekor transparency log by @xopham in #637
Release v2.6.0 by @xopham in #657

Full Changelog: v2.5.3...v2.6.0