gwenview: update to 20.04.0, adopt again

srcpkgs/gwenview/template

@@ -1,7 +1,7 @@
 # Template file for 'gwenview'
 pkgname=gwenview
-version=19.12.3
-revision=2
+version=20.04.0
+revision=1
 build_style=cmake
 hostmakedepends="extra-cmake-modules pkg-config qt5-qmake qt5-host-tools
  python3 kdoctools kconfig kcoreaddons gettext"
@@ -10,11 +10,11 @@ makedepends="qt5-devel qt5-svg-devel phonon-qt5-devel kio-devel kactivities5-dev
  kiconthemes-devel knotifications-devel ksolid-devel libjpeg-turbo-devel
  exiv2-devel libkipi5-devel lcms2-devel baloo5-devel libkdcraw5-devel cfitsio-devel"
 short_desc="Fast and easy to use image viewer by KDE"
-maintainer="Orphaned <orphan@voidlinux.org>"
+maintainer="Helmut Pozimski <helmut@pozimski.eu>"
 license="GPL-2.0-or-later"
 homepage="https://www.kde.org/applications/graphics/gwenview"
 distfiles="${KDE_SITE}/release-service/${version}/src/${pkgname}-${version}.tar.xz"
-checksum=b453cd55b7409bf8e4446a1b714dc66e73a0376d2da65b184b82f786767164e7
+checksum=420671703565f5d2824d430589cd104e6030fd2ffd13ba6453af92d897c9a574
 patch_args="-Np1"
 
 pre_configure() {