Add dune.3.14.2 announcement

data/changelog/dune/2024-03-13-dune.3.14.2.md

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+---
+title: Dune 3.14.2
+tags: [dune, platform]
+changelog: |
+   ### Fixed
+   - When a directory is changed to a file, correctly remove it in subsequent
+     `dune build` runs. (#9327, fix #6575, @emillon)
+
+   - Fix a problem with the doc-new target where transitive dependencies were
+     missed during compile. This leads to missing expansions in the output docs.
+     (#9955, @jonludlam)
+
+   - coq: fix performance regression in coqdep unescaping (#10115, fixes #10088,
+     @ejgallego, thanks to Dan Christensen for the report)
+
+   - coq: memoize coqdep parsing, this will reduce build times for Coq users, in
+     particular for those with many .v files (#10116, @ejgallego, see also #10088)
+
+   - on Windows, use an unicode-aware version of `CreateProcess` to avoid crashes
+     when paths contains non-ascii characters. (#10212, fixes #10180, @emillon)
+
+   - fix compilation on non-glibc systems due to `signal.h` not being pulled in
+     spawn stubs. (#10256, @emillon)
+---
+We're happy to announce that Dune 3.14.2 is now available.
+
+Note that due to a regression that was detected before publishing to opam
+version `3.14.1` should not be used. The fix for the regression is part of
+this release.
+
+This feature brings some small bugfixes around the handling of Coq as well as
+solves an issue where Dune is running on Windows in a path that contains
+Unicode characters. This affected e.g. users with diacritics or non-latin
+script in their name when running Dune within their home directory.