Use self hosted runners

.github/workflows/build-and-release.yaml

@@ -17,7 +17,7 @@ env:
 
 jobs:
   static-code-analysis:
-    runs-on: ubuntu-20.04
+    runs-on: arc-amd64-runners
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -44,8 +44,6 @@ jobs:
 
 
   build:
-    runs-on: ubuntu-20.04
-
     strategy:
       matrix:
         include:
@@ -54,26 +52,27 @@ jobs:
             dockerhub_push: false
             python_version: "3.7"
             run_tests: true
+            runs-on: arc-amd64-runners
           - arch: amd64
             build_name: py3.8
             dockerhub_push: true
             python_version: "3.8"
             run_tests: true
+            runs-on: arc-amd64-runners
           - arch: amd64
             build_name: py3.9
             dockerhub_push: false
             python_version: "3.9"
             run_tests: true
-
-          # The qemu arm64 builds are *very* slow so they are split out into 
-          # their own workflow
-
-          # - arch: arm64
-          #   build_name: py3.8
-          #   dockerhub_push: true
-          #   python_version: "3.8"
-          #   run_tests: false
-
+            runs-on: arc-amd64-runners
+          - arch: arm64
+            build_name: py3.8
+            dockerhub_push: true
+            python_version: "3.8"
+            run_tests: false
+            runs-on: arc-arm64-runners
+
+    runs-on:  "${{ matrix.runs-on }}"
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -149,7 +148,7 @@ jobs:
     needs:
       - build
 
-    runs-on: ubuntu-20.04
+    runs-on: arc-amd64-runners
 
     strategy:
       matrix:
@@ -181,5 +180,5 @@ jobs:
         run: |
           docker buildx imagetools create \
             -t ${{ env.DOCKER_IMAGE_TAG }} \
-            ${{ env.DOCKER_IMAGE_TAG }}-amd64
-            # ${{ env.DOCKER_IMAGE_TAG }}-arm64
+            ${{ env.DOCKER_IMAGE_TAG }}-amd64 \
+            ${{ env.DOCKER_IMAGE_TAG }}-arm64