adwaita-icon-theme: update to 45.0.

Adopt.

srcpkgs/adwaita-icon-theme/patches/rm-icon-cache.patch

@@ -0,0 +1,17 @@
+From 32affe610606b3a550c2953993a72063eb2b7381 Mon Sep 17 00:00:00 2001
+From: Fabian Bornschein <fabiscafe@mailbox.org>
+Date: Mon, 18 Sep 2023 23:31:59 +0200
+Subject: [PATCH] rm unused and problematic .icon-theme.cache
+
+This file was probably inserted by mistake. It serves no purpose.
+---
+ Adwaita/.icon-theme.cache | 0
+ 1 file changed, 0 insertions(+), 0 deletions(-)
+ delete mode 100644 Adwaita/.icon-theme.cache
+
+diff --git a/Adwaita/.icon-theme.cache b/Adwaita/.icon-theme.cache
+deleted file mode 100644
+index e69de29bb..000000000
+-- 
+GitLab
+

srcpkgs/adwaita-icon-theme/template

@@ -1,14 +1,14 @@
 # Template file for 'adwaita-icon-theme'
 pkgname=adwaita-icon-theme
-version=44.0
+version=45.0
 revision=1
-build_style=gnu-configure
-hostmakedepends="pkg-config"
+build_style=meson
+hostmakedepends="pkg-config gtk4-update-icon-cache"
 depends="librsvg"
 short_desc="Theme consisting of a set of icons for GTK+"
-maintainer="Orphaned <orphan@voidlinux.org>"
+maintainer="icp <pangolin@vivaldi.net>"
 license="LGPL-3.0-or-later, CC-BY-SA-3.0"
 homepage="https://gitlab.gnome.org/GNOME/adwaita-icon-theme"
 changelog="https://gitlab.gnome.org/GNOME/adwaita-icon-theme/-/raw/master/NEWS"
 distfiles="${GNOME_SITE}/adwaita-icon-theme/${version/.*/}/adwaita-icon-theme-${version}.tar.xz"
-checksum=4889c5601bbfecd25d80ba342209d0a936dcf691ee56bd6eca4cde361f1a664c
+checksum=2442bfb06f4e6cc95bf6e2682fdff98fa5eddc688751b9d6215c623cb4e42ff1