Bugfix release

The releases 0.0.25-0.0.28 broke the backward compatibility by removing the "print this" selector "html2pdf" and replacing it with "html2pdf4doc" instead.

This brings in from upstream:
mettta/html2pdf4doc#182

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What's Changed

• feat(submodules/html2pdf): update to include the image fixes by @stanislaw in #79
• Bump version to 0.0.28 by @stanislaw in #80

Full Changelog: 0.0.27...0.0.29