upgpkg: 5.15.9+kde+r155-2, bump revision

trunk/PKGBUILD

@@ -9,7 +9,7 @@
 
 pkgbase=qt5-base
 _basever=5.15.9
-pkgver=5.15.9+kde+r154
+pkgver=5.15.9+kde+r155
 pkgrel=2
 pkgdesc="A cross-platform application and UI framework"
 url='https://www.qt.io'
@@ -20,7 +20,7 @@ pkgname=(
 )
 
 track="commit"
-target="a196623892558623e467f20b67edb78794252a09"
+target="df809fd0b505b61d718fe1dc7fe19a79f9336cd9"
 source=(
     "git+https://invent.kde.org/qt/qt/${pkgbase/5-/}#${track}=${target}"
     qt5-base-cflags.patch