vscodium does not update

[bobby285271]

It looks like vscodium PRs are no longer made because of 22f9922

Here are vscodium's list of tags: https://github.com/VSCodium/vscodium/tags
Here are the logs: https://github.com/samuela/nixpkgs-upkeep/actions/runs/3709019878/jobs/6287193457

these 2 paths will be fetched (2.51 MiB download, 9.27 MiB unpacked):
  /nix/store/b06qadb9wwgza3pipp33msf6ralrjqpc-hub-unstable-2022-04-04
  /nix/store/flw30n4ymbmrvanl9vw18mm3zf17n45w-semver-tool-3.3.0
copying path '/nix/store/flw30n4ymbmrvanl9vw18mm3zf17n45w-semver-tool-3.3.0' from 'https://cache.nixos.org/'...
copying path '/nix/store/b06qadb9wwgza3pipp33msf6ralrjqpc-hub-unstable-2022-04-04' from 'https://cache.nixos.org/'...
version 1.73.1.22314 does not match the semver scheme 'X.Y.Z(-PRERELEASE)(+BUILD)'. See help for more information.
1.74.1.22349 does not appear to be an upgrade from 1.73.1.22314

[samuela]

Hi @bobby285271, unfortunately I no longer use vscodium actively, so I don't have bandwidth to fix this myself but I'd be happy to accept a PR for it!