Bump cython from 3.1.4 to 3.2.3

Bumps [cython](https://github.com/cython/cython) from 3.1.4 to 3.2.3.
- [Release notes](https://github.com/cython/cython/releases)
- [Changelog](https://github.com/cython/cython/blob/master/CHANGES.rst)
- [Commits](cython/cython@3.1.4...3.2.3)

---
updated-dependencies:
- dependency-name: cython
  dependency-version: 3.2.3
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -39,7 +39,7 @@ gsppy = "gsppy.cli:main"
 
 [project.optional-dependencies]
 dev = [
-    "cython==3.1.4",
+    "cython==3.2.3",
     "hatch==1.15.1",
     "hatchling==1.28.0",
     "mypy==1.19.1",