chore(deps-dev): Bump pyright from 1.1.408 to 1.1.409

Bumps [pyright](https://github.com/RobertCraigie/pyright-python) from 1.1.408 to 1.1.409.
- [Release notes](https://github.com/RobertCraigie/pyright-python/releases)
- [Commits](RobertCraigie/pyright-python@v1.1.408...v1.1.409)

---
updated-dependencies:
- dependency-name: pyright
  dependency-version: 1.1.409
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pyproject.toml

@@ -74,7 +74,7 @@ optional-dependencies.dev = [
     "pylint-per-file-ignores==3.2.1",
     "pyproject-fmt==2.21.1",
     "pyrefly==0.62.0",
-    "pyright==1.1.408",
+    "pyright==1.1.409",
     "pyroma==5.0.1",
     "pytest==9.0.3",
     "pytest-beartype-tests==2026.4.20",