Docking 2.1.0

What's Changed

• Bump ruff from 0.15.15 to 0.15.16 by @dependabot[bot] in #156
• Bump ty from 0.0.40 to 0.0.48 by @dependabot[bot] in #155
• Improve test coverage: core modules + trash/alarm applets by @edumucelli in #174
• Add Run Application applet by @edumucelli in #175
• Add System Tray applet by @edumucelli in #176
• Add runtime diagnostics dialog by @edumucelli in #179
• Fix logout 'Caller does not belong to any known session' on KDE Wayland by @edumucelli in #180
• Bump version to 2.1.0 by @edumucelli in #182

Full Changelog: v2.0.1...v2.1.0