chore(moongreet-git): bump pkgrel to retrigger build after run 107 cross-package delete

Run 107's sweet-cursors clear-block deleted moongreet-git from the registry (workflow bug). Single-PKGBUILD push avoids the multi-package code path.

moongreet-git/PKGBUILD

@@ -6,7 +6,7 @@
 pkgname=moongreet-git
 epoch=1
 pkgver=0.8.3.r3.gb9b6f50
-pkgrel=5
+pkgrel=6
 pkgdesc="A greetd greeter for Wayland with GTK4 and Layer Shell"
 arch=('x86_64')
 url="https://gitea.moonarch.de/nevaforget/greetd-moongreet"