ISSUE-12: Add ARM64 support

Author: robiningelbrecht

.github/workflows/docker-image.yml

@@ -34,6 +34,12 @@ jobs:
         with:
           images: robiningelbrecht/strava-statistics
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Build and push Docker images
         id: push
         uses: docker/build-push-action@v6.10.0
@@ -43,6 +49,7 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm64
 
       - name: Generate artifact attestation
         uses: actions/attest-build-provenance@v2