v0.8.3

This is a maintenance release to address smaller issues and upgrade dependencies:

• Distinguish different errors in case borg check failed. By @real-yfprojects (#1163)
• Close SVG files after reading. By @hroncok (#1135)
• Shows folder sizes in diff view. By @skrap (#1156)
• Ignore encoding errors in Wifi names (darwin) (#1158)
• Upgrade llfuse for Flatpak (#1179)
• Bump macOS updater to Sparkle 2.0 (#1186)
• Minor test fixes (#1150, #1147, #1146)