🎪 Update CI action to support arm64

.github/workflows/ci.yaml

@@ -41,13 +41,18 @@ jobs:
         uses: docker/setup-buildx-action@v1
       - name: Log into GitHub Container Registry
         run: echo "${{ secrets.REGISTRY_ACCESS_TOKEN }}" | docker login https://ghcr.io -u ${{ github.actor }} --password-stdin
+      - name: Lowercase github username for ghcr
+        id: string
+        uses: ASzc/change-string-case-action@v1
+        with:
+          string: ${{ github.actor }}
       - name: Build and push
         uses: docker/build-push-action@v2
         with:
-        platforms: linux/amd64
+          platforms: linux/amd64,linux/arm64
           push: true
-        tags: ghcr.io/meeb/${{ env.IMAGE_NAME }}:latest
-        cache-from: type=registry,ref=ghcr.io/meeb/${{ env.IMAGE_NAME }}:latest
+          tags: ghcr.io/${{ steps.string.outputs.lowercase }}/${{ env.IMAGE_NAME }}:latest
+          cache-from: type=registry,ref=ghcr.io/${{ steps.string.outputs.lowercase }}/${{ env.IMAGE_NAME }}:latest
           cache-to: type=inline
           build-args: |
             IMAGE_NAME=${{ env.IMAGE_NAME }}