nim CI fails with chronos
https://github.com/nim-lang/Nim/pull/17442/checks?check_run_id=2186758767
```
PASS: [3/42] chroma c                                                     ( 3.80 sec)
  FAIL: chronicles c
  Test "chronicles" in category "nimble-packages"
  Failure: reBuildFailed
  nim c -o:chr -r chronicles.nim
  Hint: used config file '/home/runner/work/Nim/Nim/config/nim.cfg' [Conf]
  Hint: used config file '/home/runner/work/Nim/Nim/config/config.nims' [Conf]
  Hint: used config file '/home/runner/work/Nim/Nim/pkgstemp/chronicles/nim.cfg' [Conf]
  ......................................................
  /home/runner/.nimble/pkgs/chronos-3.0.0/chronos/asyncmacro2.nim(185, 1) template/generic instantiation from here
  /home/runner/.nimble/pkgs/chronos-3.0.0/chronos/asyncmacro2.nim(187, 55) Error: can raise an unlisted exception: ref ValueError
  
  PASS: [5/42] cligen c                                                     ( 3.43 sec)
```