v4.1.1

What's Changed

• Improve docs by @andiwand in #373
• Update runners by @andiwand in #374
• Refactor action matrix by @andiwand in #375
• Use utf8cpp conversion by @andiwand in #376
• Improve ZIP pointer handling by @andiwand in #377
• Implement archive files by @andiwand in #379
• Fix some PDF test files by @andiwand in #350
• Use C++20 by @andiwand in #378

Full Changelog: v4.1.0...v4.1.1