Third attempt at v1.86

Author: peterjc

.github/workflows/cibuildwheel.yml

@@ -40,7 +40,7 @@ jobs:
           cd biopython
           # Use commit hash if tag is still pending:
           # This should become biopython-186:
-          git checkout ca57c0fa133b00038ceec137172205e9be4c6886
+          git checkout c809938fda0ba0a90696779539173ea8d881ad8f
           cd ..
 
       - name: Build wheels