Synchronize D 2.101.0 release with tooling please

[max haughton]

On Monday, 14 November 2022 at 22:43:57 UTC, ryuukk_ wrote:
> Please think about tooling before doing the release
>
> As usual tooling was completely ignored
>
> DUB merged stable without ImportC support.. [1]
>
> - DUB: needs ImportC support PR: [2]
>
> - DCD: needs to pick up bitfield support from recent libdparse 
> PR [3]
>
>
> So we can ensure users will have a great experience
>
>
> [1] - https://github.com/dlang/dub/pull/2529
>
> [2] - https://github.com/dlang/dub/pull/2522
>
> [3] - https://github.com/dlang-community/libdparse/pull/476

Should we block a release for a WIP dub feature? The release was 
badly needed.

On the subject of tooling I'd like to have a tree-sitter grammar 
in the compiler tree that we guarantee is up to date.