okular: update to 21.08.0.

srcpkgs/okular/template

@@ -1,6 +1,6 @@
 # Template file for 'okular'
 pkgname=okular
-version=21.04.3
+version=21.08.0
 revision=1
 build_style=cmake
 hostmakedepends="extra-cmake-modules pkg-config gettext kcoreaddons
@@ -16,7 +16,7 @@ maintainer="John <me@johnnynator.dev>"
 license="GPL-2.0-only"
 homepage="https://kde.org/applications/en/graphics/org.kde.okular"
 distfiles="${KDE_SITE}/release-service/${version}/src/${pkgname}-${version}.tar.xz"
-checksum=fa1fc1a4a4d84c1e568665d4c05cd00f71c5ba481dad7b6b8d83597a428b5056
+checksum=dded73111fa78a9b7f544d6089de2cc0c48b1696c723ba76ab2dab8fd9c16a69
 
 do_check() {
 	cd build