RAR5 decryption support and other fixes

What's Changed

• Dont crash on reading rar5 comment #783 by @Erior in #784
• Handle tar files generated with tar -H oldgnu that has large uid/gid values by @Erior in #785
• LZMA EOS marker detection by @Erior in #786
• Bump actions/setup-dotnet from 3 to 4 by @dependabot in #787
• RAR5 decryption support by @Erior in #788
• Dotnet8 by @adamhathcock in #789

Full Changelog: 0.34.2...0.35.0