Upgrade pytype for CI

Author: seratch

.github/workflows/pytype.yml

@@ -23,7 +23,7 @@ jobs:
         pip install -U pip
         pip install -e ".[testing]"
         # As pytype can change its behavior in newer versions, we manually upgrade it
-        pip install "pytype==22.10.0"
+        pip install "pytype==2023.05.24"
     - name: Run pytype
       run: |
         pytype slack_discovery_sdk/