…ne-action-plugin, dune-private-libs and dune-glob (2.8.3)

CHANGES:

- Make `patdiff` show refined diffs (ocaml/dune#4257, fixes ocaml/dune#4254, @hakuch)

- Fixed a bug that could result in needless recompilation under Windows due to
  case differences in the result of `Sys.getcwd` (observed under `emacs`).
  (ocaml/dune#3966, @nojb).

- Restore compatibility with Coq < 8.10 for coq-lang < 0.3 , document
  that `(using coq 0.3)` does require Coq 8.10 at least (ocaml/dune#4224, fixes
  ocaml/dune#4142, @ejgallego)

- Add a META rule for 'compiler-libs.native-toplevel' (ocaml/dune#4175, @AltGr)

- No longer call `chmod` on symbolic links (fixes ocaml/dune#4195, @dannywillems)

- Dune no longer automatically create or edit `dune-project` files
  (ocaml/dune#4239, fixes ocaml/dune#4108, @jeremiedimino)

- Have `dune` communicate the location of the standard library directory to
  `merlin` (ocaml/dune#4211, fixes ocaml/dune#4188, @nojb)

- Workaround incorrect exception raised by Unix.utimes (OCaml PR#8857) in
  Path.touch on Windows (ocaml/dune#4223, @dra27)

- `dune ocaml-merlin` is now able to provide configuration for source files in
  the `_build` directory. (ocaml/dune#4274, @voodoos)

- Automatically delete left-over Merlin files when rebuilding for the first time
  a project previously built with Dune `<= 2.7`. (ocaml/dune#4261, @voodoos, @aalekseyev)

- Fix `ppx.exe` being compiled for the wrong target when cross-compiling
  (ocaml/dune#3751, fixes ocaml/dune#3698, @toots)

- `dune top` correctly escapes the generated toplevel directives, and make it
  easier for `dune top` to locate C stubs associated to concerned libraries.
  (ocaml/dune#4242, fixes ocaml/dune#4231, @nojb)

- Do not pass include directories containing native objects when compiling
  bytecode (ocaml/dune#4200, @nojb)