`make kernel` does not work

Following the [remote snapshotter kernel building instructions](https://github.com/firecracker-microvm/firecracker-containerd/blob/main/docs/remote-snapshotter-getting-started.md#build-a-linux-kernel-with-fuse-support), I get the following error:

```console
glebedev@node-1:~/firecracker-containerd$ KERNEL_VERSION=5.10 make kernel
_submodules/firecracker/tools/devtool -y build_kernel --config tools/kernel-configs/microvm-kernel-x86_64-5.10.config
Unable to find image 'public.ecr.aws/firecracker/fcuvm:v59' locally
v59: Pulling from firecracker/fcuvm
d1669123f281: Pull complete
af2e1ac6e847: Pull complete
2f7dc7b6cefe: Pull complete
d9feb8862efc: Pull complete
840175de3112: Pull complete
e4ad641df80e: Pull complete
5cfb1c8b1bf9: Pull complete
1c7c0cade0fd: Pull complete
a425145fbcd1: Pull complete
Digest: sha256:1a1c607543030bbd52964cc8616455b289cea4f9ceafb9efc1c05b4d48aa143d
Status: Downloaded newer image for public.ecr.aws/firecracker/fcuvm:v59
Extracting kernel version...
grep: tools/kernel-configs/microvm-kernel-x86_64-5.10.config: No such file or directory
[Firecracker devtool] Could not build kernel.
make: *** [Makefile:362: _submodules/firecracker/build/kernel/linux-5.10/vmlinux-5.10-x86_64.bin] Error 2
```