message: Fix seccomp example listings
diff: @@ -428,7 +428,7 @@ to filter syscalls of containers.
  The easiest way to add seccomp to a container is to add the `default` profile
  to the container's manifest:
  -```toml
  +```yaml
  seccomp:
  profile:
  default
  @@ -443,7 +443,7 @@ as the
  [delete_module](https://man7.org/linux/man-pages/man2/delete_module.2.html)
  syscall, if its second argument equals `1` or matches the mask `0x06`.
  -```toml
  +```yaml
  seccomp:
  profile:
  default
  