Update PDFsharp for Version 6.x

[eXpl0it3r]

PDFsharp & MigraDoc recently got a significant update with a new version scheme (1.50.x -> 6.x).

This brings a long some breaking changes and may require larger adjustments in HTML Renderer.

• Official Upgrade to PDFsharp 6 Guide
• Official Upgrade to MigraDoc 6 Guide
• Requires a custom font resolver

Fixes / Enhancements

• https://github.com/the-department-of-code/HTML-Renderer/commit/b5807b27ab7a33793877a281e3ca96c2a2b7c7fd
• https://github.com/georgespok/HTML-Renderer-Core/commit/743821f61371c058196e3ed082ed2e66669e5a3a
• #208 / https://github.com/georgespok/HTML-Renderer-Core/commit/c1f22037d87b8318e90fb417e81dfb88f540325d

References

• #211
• https://github.com/dem-v/HTML-Renderer/commit/e494f74a56b4f53cc7de98fafe8021fee4993869
• https://github.com/mau4gdp/HTML-Renderer/commit/291e66142b1aba15cc080a24047aff9e0fbfbd5e
• https://github.com/the-department-of-code/HTML-Renderer/commit/257bcfe526cb258f7bcb024d04662b12c66d9515 / https://github.com/the-department-of-code/HTML-Renderer/commit/3d6b3e6427ecc9c717ad349c974c91fc78e849fb