Bump candid to 0.4, to get new subtyping support

[nomeata]

No description provided.

[ghost]

Dear @nomeata,

This repository does not accept external contributions yet.

We are therefore closing this Pull Request, thank you for your understanding.

— The DFINITY Foundation

[ghost]

Dear @nomeata,

This repository does not accept external contributions yet.

We are therefore closing this Pull Request, thank you for your understanding.

— The DFINITY Foundation

[ghost]

Dear @nomeata,

This repository does not accept external contributions yet.

We are therefore closing this Pull Request, thank you for your understanding.

— The DFINITY Foundation

[ghost]

Dear @nomeata,

This repository does not accept external contributions yet.

We are therefore closing this Pull Request, thank you for your understanding.

— The DFINITY Foundation

[nomeata]

This is silly, I am even a maintainer of this project according to github, but cannot open PRs…

Could someone please open a PR at https://github.com/dfinity/ic-hs/compare/joachim/bump-candid?expand=1 and merge it?

[ghost]

Dear @nomeata,

This repository does not accept external contributions yet.

We are therefore closing this Pull Request, thank you for your understanding.

— The DFINITY Foundation

[nomeata]

Or simply put this repo on the list of repos that accept contributions?

[mergify]

⚠️ The sha of the head commit of this PR conflicts with #119. Mergify cannot evaluate rules on this PR. ⚠️