feat: use arm64 images for flatpak aarch64 build

Author: Totto16

.github/workflows/flatpak.yml

@@ -11,16 +11,15 @@ on:
 jobs:
   flatpak:
     name: Flatpak build (${{ matrix.config.arch }})
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-${{ matrix.config.os-version }}
     strategy:
       matrix:
         config:
           - arch: x86_64
-            use_qemu: false
+            os-version: 24.04
 
           - arch: aarch64
-            use_qemu: true
-            qemu_arch: arm64
+            os-version: 24.04-arm
       # Don't fail the whole workflow if one architecture fails
       fail-fast: false
     container:
@@ -29,18 +28,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Install deps
-        if: ${{ matrix.config.use_qemu == true }}
-        run: |
-          dnf -y install docker
-
-      - name: Set up QEMU
-        if: ${{ matrix.config.use_qemu == true }}
-        id: qemu
-        uses: docker/setup-qemu-action@v3
-        with:
-          platforms: ${{ matrix.config.qemu_arch }}
-
       - uses: bilelmoussaoui/flatpak-github-actions/flatpak-builder@v6
         with:
           bundle: oopetris.flatpak