Use native ARM runners

Author: TheAssassin

.github/workflows/main.yml

@@ -7,10 +7,18 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ARCH: [x86_64, i686, aarch64, armhf]
+        include:
+          - ARCH: x86_64
+            RUNS_ON: ubuntu
+          - ARCH: i686
+            RUNS_ON: ubuntu
+          - ARCH: aarch64
+            RUNS_ON: ubuntu-arm
+          - ARCH: armhf
+            RUNS_ON: ubuntu-arm
 
     name: AppImage ${{ matrix.ARCH }}
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.RUNS_ON }}
     env:
       ARCH: ${{ matrix.ARCH }}
       DIST: bionic
@@ -19,9 +27,6 @@ jobs:
         with:
           submodules: recursive
 
-      - name: Set up QEMU integration for Docker
-        run: docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
-
       - name: Build AppImage in Docker
         run: bash -ex ci/build-in-docker.sh