Update Debian build dependencies in workflow

Added libayatana-appindicator3-dev to dependencies.

.github/workflows/debian-build.yml

@@ -22,7 +22,7 @@ jobs:
                 git ca-certificates \
                 build-essential pkg-config meson ninja-build cmake \
                 gettext \
-                libcanberra-dev libdbus-glib-1-dev libglib2.0-dev libgtk-3-dev \
+                libcanberra-dev libdbus-glib-1-dev libglib2.0-dev libgtk-3-dev libayatana-appindicator3-dev \
                 libluajit-5.1-dev libpci-dev libperl-dev libssl-dev \
                 python3-dev python3-cffi mono-devel desktop-file-utils
       - uses: actions/checkout@v4
@@ -34,6 +34,7 @@ jobs:
           set -eux
           rm -rf build
           meson setup build \
+            -Dgtk3=true \
             -Dtext-frontend=true \
             -Dauto_features=enabled