Bump pyright from 1.1.390 to 1.1.391 (mongodb#2035)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/typing.txt

@@ -1,5 +1,5 @@
 mypy==1.13.0
-pyright==1.1.390
+pyright==1.1.391
 typing_extensions
 -r ./encryption.txt
 -r ./ocsp.txt