GitHub Actions workflow for Ubuntu 22.04 (solus-project#122)

* Add GitHub Actions workflow for Ubuntu 22.04

* libmutter-10-dev

* Build with GNOME Screensaver

* Rename workflow and remove extra deps

* Use system meson and ninja

* Run on push/PR to master or v10.6.x

.github/workflows/build.yml

@@ -0,0 +1,19 @@
+name: Build on Ubuntu 22.04
+on:
+  push:
+    branches:
+    - master
+    - v10.6.x
+  pull_request:
+    branches:
+    - master
+    - v10.6.x
+jobs:
+  ubuntu:
+    runs-on: ubuntu-22.04
+    steps:
+    - uses: actions/checkout@v1
+    - run: sudo apt update
+    - run: sudo apt install meson ninja-build gnome-screensaver gnome-settings-daemon-dev gtk-doc-tools intltool libaccountsservice-dev libasound2-dev libgnome-bluetooth-dev libgnome-desktop-3-dev libgnome-menu-3-dev libgtk-3-dev libibus-1.0-dev libmutter-10-dev libpeas-dev libpolkit-agent-1-dev libpulse-dev libupower-glib-dev libwnck-3-dev sassc uuid-dev valac
+    - run: meson build -Dwith-gnome-screensaver=true
+    - run: meson compile -C build