MAINT: Bump pyside6-essentials from 6.6.2 to 6.6.3.1

Bumps [pyside6-essentials](https://pyside.org) from 6.6.2 to 6.6.3.1.

---
updated-dependencies:
- dependency-name: pyside6-essentials
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pyproject.toml

@@ -30,7 +30,7 @@ dependencies = [
     "twine==5.0.0",
     "pyaedt",
     "importlib-metadata >=4.0",
-    "PySide6-Essentials==6.6.2",
+    "PySide6-Essentials==6.6.3.1",
     "pyqtgraph",
     "pyvistaqt",
     "qdarkstyle",