upgpkg: 6.8.2-4, icu76 rebuild for real, take 2

diff/patch/PKG.patch

@@ -10,7 +10,15 @@ diff -uar a/PKGBUILD b/PKGBUILD
  arch=(x86_64)
  url='https://www.qt.io'
  license=(GPL-3.0-only
-@@ -114,7 +114,7 @@
+@@ -47,7 +47,6 @@
+          pcre2
+          shared-mime-info
+          sqlite
+-         systemd-libs
+          tslib
+          vulkan-headers
+          xcb-util-cursor
+@@ -114,7 +113,7 @@
      -DINSTALL_INCLUDEDIR=include/qt6 \
      -DINSTALL_MKSPECSDIR=lib/qt6/mkspecs \
      -DINSTALL_EXAMPLESDIR=share/doc/qt6/examples \