Try starlink on 3.10

Author: rmjarvis

.github/workflows/ci.yml

@@ -165,7 +165,7 @@ jobs:
             # Starlink doesn't seem to work with 3.10+.
             # Revisit from time to time to see if they fix it.
             - name: Install starlink
-              if: matrix.py == 3.9
+              if: matrix.py == 3.10
               run: |
                 pip install -U starlink-pyast