Remove ARM64 platform to avoid QEMU emulation issues

Author: mattburchett

.github/workflows/docker-build.yml

@@ -56,4 +56,4 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64