Add missing build dependencies to CI workflow

- Add meson for UI build system (fixes immediate failure)
- Add ninja-build as meson backend
- Add librsvg2-bin for icon generation (rsvg-convert)
- Add libglib2.0-dev for meson build requirements
- Add gettext for localization
- Add desktop-file-utils for desktop file validation
- Add appstream for appstream validation
- Rename step to "Install build dependencies" for clarity

Co-authored-by: wheaney <42350981+wheaney@users.noreply.github.com>

.github/workflows/release.yml

@@ -56,10 +56,19 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Install gnome-extensions CLI
+      - name: Install build dependencies
         run: |
           sudo apt-get update -qq
-          sudo apt-get install -y gnome-shell-extension-prefs
+          sudo apt-get install -y \
+            gnome-shell-extension-prefs \
+            meson \
+            ninja-build \
+            librsvg2-bin \
+            libglib2.0-dev \
+            gettext \
+            wget \
+            desktop-file-utils \
+            appstream
 
       - name: Build library packages
         run: |