Merge pull request #686 from doorstop-dev/release/3.0

Release v3.0

Bumped version.

Bump version to 3.0b14

Bump version to 3.0b13

Bump version to 3.0b12

Merge pull request #616 from doorstop-dev/dependabot/pip/jinja2-3.1.3

Bump jinja2 from 3.1.2 to 3.1.3

Merge pull request #615 from neerdoc/publisher_restruct

Publisher restruct

Merge pull request #605 from doorstop-dev/pyyaml-6

Upgrade PyYAML to fix installation on newer Python versions

Merge pull request #533 from doorstop-dev/release/v2.2

Release v2.2

Merge pull request #503 from doorstop-dev/hotfix/v2.1.4

Bump markdown to 3.3+