Updated the Debian GitHub Actions workflow to use Debian packaging tooling/dependencies (including dpkg-dev, debhelper, fakeroot, iso-codes, and liblua5.3-dev) so the job is set up for Debian package builds from debian/.

Replaced the previous direct Meson configure/build/test/install steps with a Debian package build step using dpkg-buildpackage -us -uc -b.
Added artifact upload for generated Debian package outputs (*.deb, *.changes, *.buildinfo).

.github/workflows/debian-build.yml

@@ -13,48 +13,33 @@ jobs:
       image: debian:bookworm
 
     steps:
-      - name: Install base tooling (git + deps)
+      - name: Install packaging tooling and build dependencies
         run: |
           set -eux
           export DEBIAN_FRONTEND=noninteractive
           apt-get update
           apt-get install -y --no-install-recommends \
                 git ca-certificates \
-                build-essential pkg-config meson ninja-build cmake \
-                gettext \
+                build-essential dpkg-dev debhelper fakeroot \
+                pkg-config meson ninja-build \
+                gettext iso-codes \
                 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
+                liblua5.3-dev libpci-dev libperl-dev libssl-dev \
+                python3-dev python3-cffi desktop-file-utils
       - uses: actions/checkout@v4
         with:
           submodules: true
 
-      - name: Configure
+      - name: Build Debian packages
         run: |
           set -eux
-          rm -rf build
-          meson setup build \
-            -Dgtk3=true \
-            -Dtext-frontend=true \
-            -Dauto_features=enabled
+          dpkg-buildpackage -us -uc -b
 
-      - name: Show Meson options (on failure)
-        if: failure()
-        run: |
-          set -eux
-          meson configure build || true
-
-      - name: Build
-        run: |
-          set -eux
-          ninja -C build
-
-      - name: Test
-        run: |
-          set -eux
-          ninja -C build test
-
-      - name: Install
-        run: |
-          set -eux
-          ninja -C build install
+      - name: Upload Debian artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: zoitechat-debian-packages
+          path: |
+            ../*.deb
+            ../*.changes
+            ../*.buildinfo