testing/gtk-session-lock: new aport

Dependency for gtklock v4 update.

testing/gtk-session-lock/APKBUILD

+# Contributor: Adam Thiede <me@adamthiede.com>
+# Maintainer: Adam Thiede <me@adamthiede.com>
+pkgname=gtk-session-lock
+pkgver=0.2.0
+pkgrel=0
+pkgdesc="A library to create screen lockers for Wayland using the ext-session-lock protocol"
+url="https://github.com/Cu3PO42/gtk-session-lock"
+arch="all"
+license="GPL-3.0-or-later"
+makedepends="
+	gobject-introspection-dev
+	gtk+3.0-dev
+	meson
+	vala
+	wayland-protocols
+"
+subpackages="$pkgname-dev"
+source="$pkgname-$pkgver.tar.gz::https://github.com/Cu3PO42/gtk-session-lock/archive/refs/tags/v$pkgver.tar.gz"
+
+build() {
+	abuild-meson build
+	meson compile -C build
+}
+
+package() {
+	meson install -C build --destdir "$pkgdir"
+}
+
+sha512sums="
+ac1d33f215cdf0e3730840f5f7b9eac3027ad2f2e066a0ba532c9df9f74cffdedced841da0948d645cab3ed27a4c896353048ad45ed498668e3a905a98c14677  gtk-session-lock-0.2.0.tar.gz
+"