Enable build-knulli using debian:trixie container

Runs the job inside debian:trixie (same as the Dockerfile) with
Node.js pre-installed before checkout. Installs arm64 cross-compilation
deps and runs build-knulli.sh directly.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.github/workflows/build.yml

@@ -94,25 +94,60 @@ jobs:
   #         path: ./git-artifcats/Dusk
   #         if-no-files-found: error
 
-  # build-knulli:
-  #   runs-on: ubuntu-latest
-  #   steps:
-  #     - name: Checkout repository
-  #       uses: actions/checkout@v4
-  #     - name: Set up Docker
-  #       uses: docker/setup-docker-action@v5
-  #     - name: Build knulli
-  #       run: ./scripts/build-knulli-docker.sh
-  #     - name: Move output to Dusk subfolder
-  #       run: |
-  #         mkdir -p ./git-artifcats/Dusk
-  #         cp -r build-knulli/dusk ./git-artifcats/Dusk
-  #     - name: Upload knulli binary
-  #       uses: actions/upload-artifact@v3
-  #       with:
-  #         name: dusk-knulli
-  #         path: ./git-artifcats/Dusk
-  #         if-no-files-found: error
+  build-knulli:
+    runs-on: ubuntu-latest
+    container:
+      image: debian:trixie
+    steps:
+      - name: Install Node.js
+        run: apt-get update && apt-get install -y nodejs
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Install dependencies
+        run: |
+          dpkg --add-architecture arm64
+          apt-get update
+          apt-get install -y --no-install-recommends \
+            crossbuild-essential-arm64 \
+            ca-certificates \
+            pkg-config \
+            cmake \
+            make \
+            ninja-build \
+            git \
+            file \
+            python3 \
+            python3-pip \
+            python3-polib \
+            python3-pil \
+            python3-dotenv \
+            python3-pyqt5 \
+            python3-opengl \
+            liblua5.4-dev:arm64 \
+            xz-utils:arm64 \
+            libbz2-dev:arm64 \
+            zlib1g-dev:arm64 \
+            libzip-dev:arm64 \
+            libssl-dev:arm64 \
+            libsdl2-dev:arm64 \
+            liblzma-dev:arm64 \
+            libopengl0:arm64 \
+            libgl1:arm64 \
+            libegl1:arm64 \
+            libgles2:arm64 \
+            libgl1-mesa-dev:arm64
+      - name: Build Knulli
+        run: ./scripts/build-knulli.sh
+      - name: Move output to Dusk subfolder
+        run: |
+          mkdir -p ./git-artifcats/Dusk
+          cp -r build-knulli/dusk ./git-artifcats/Dusk
+      - name: Upload knulli binary
+        uses: actions/upload-artifact@v3
+        with:
+          name: dusk-knulli
+          path: ./git-artifcats/Dusk
+          if-no-files-found: error
 
   # build-gamecube:
   #   runs-on: ubuntu-latest