Re-enable the building process for linux/arm64 Docker image

.github/workflows/workflow.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   CI:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
       - name: Checking out source code
@@ -26,8 +26,9 @@ jobs:
 
           export DOCKER_CUSTOM_COMMAND='echo "GitHub Action Build"'
 
-          sudo apt-get update -qq -y
-          sudo apt-get install -qq -y qemu qemu-user-static binfmt-support
+          sudo add-apt-repository -y ppa:jacob/virtualisation
+          sudo apt-get update -y
+          sudo apt-get install -y qemu qemu-user-static binfmt-support
           sudo systemctl restart docker
 
           cp ./.ci.sh ./.github-action-ci-script.sh && chmod +x ./.github-action-ci-script.sh && time ./.github-action-ci-script.sh && rm ./.github-action-ci-script.sh