Bump pyright from 1.1.319 to 1.1.320 in /.github

Bumps [pyright](https://github.com/Microsoft/pyright/tree/HEAD/packages/pyright) from 1.1.319 to 1.1.320.
- [Release notes](https://github.com/Microsoft/pyright/releases)
- [Commits](https://github.com/Microsoft/pyright/commits/1.1.320/packages/pyright)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/package.json

@@ -2,6 +2,6 @@
   "name": "fake_package_json_for_github_action_to_read_version",
   "private": true,
   "devDependencies": {
-    "pyright": "1.1.319"
+    "pyright": "1.1.320"
   }
 }