ci/alpine: switch to container to not rely on overloaded alpine gitlab

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ env:
   RUN_SLOW_TESTS: 1
   DEPS_APT: curl gcc clang libudev-dev libgbm-dev libxkbcommon-dev libegl1-mesa-dev libwayland-dev libinput-dev libdbus-1-dev libsystemd-dev libseat-dev libpipewire-0.3-dev libpango1.0-dev libdisplay-info-dev
   DEPS_DNF: cargo gcc clang libudev-devel libgbm-devel libxkbcommon-devel wayland-devel libinput-devel dbus-devel systemd-devel libseat-devel pipewire-devel pango-devel cairo-gobject-devel libdisplay-info-devel
-  DEPS_APK: cargo clang-libclang eudev-dev glib-dev libdisplay-info-dev libinput-dev libseat-dev libxkbcommon-dev mesa-dev pango-dev pipewire-dev
+  DEPS_APK: cargo clang-libclang eudev-dev glib-dev libdisplay-info-dev libinput-dev libseat-dev libxkbcommon-dev mesa-dev pango-dev pipewire-dev tar
 
 jobs:
   build:
@@ -76,21 +76,19 @@ jobs:
       fail-fast: false
 
     name: alpine musl
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
+    container: alpine:3
     steps:
-      - uses: jirutka/setup-alpine@v1
-        with:
-          branch: v3.22
-          packages: ${{ env.DEPS_APK }}
-
       - uses: actions/checkout@v4
         with:
           show-progress: false
 
+      - name: Install Deps
+        run: apk add --no-cache ${{ env.DEPS_APK }}
+      
       - uses: Swatinem/rust-cache@v2
 
       - name: Build
-        shell: alpine.sh {0}
         run: cargo build --no-default-features --features dbus,xdp-gnome-screencast
 
   # Job that runs randomized tests for a longer period of time.