graphics/minder: Update to 2.0.9

• Switch to DISTVERSION
• Switch to gtk4 (upstream)
• Use RLN to install a friendly binary name
• Apply upstream patches:
  • Set application name, https://github.com/phase1geo/Minder/pull/734
  • Reduce height of the Shortcuts page, https://github.com/phase1geo/Minder/pull/735
• Pet portlint, portclippy and portfmt
• Take maintainership

ChangeLog: https://github.com/phase1geo/Minder/releases/tag/2.0.9
MFH: 2026Q3
(cherry picked from commit 7a1c964268f7e95cae596d62cf6cb7e3f6b823ef)