Update flake-utils lock

Ran into this error

```
> nix build .#lotus
error:
       … in the left operand of the update (//) operator
         at «flakes-internal»/call-flake.nix:77:9:
           76|         # This is shadowed in the next //
           77|         // sourceInfo
             |         ^
           78|         // {

       … in the condition of the assert statement
         at «flakes-internal»/call-flake.nix:90:7:
           89|     if node.flake or true then
           90|       assert builtins.isFunction flake.outputs;
             |       ^
           91|       result

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: path '//nix/store/01x5k4nlxcpyd85nnr0b9gm89rm8ff4x-source' does not exist
```

so I just removed it from the lockfile and rebuilt.

Signed-off-by: Daniel Schaefer <dhs@frame.work>

Author: JohnAZoidberg