Don't doubly-parallelise sphinx-lint (#110617)

AA-Turner · web-flow · commit e24f9ae7035c · 2023-10-10T14:51:20.000+02:00
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -39,6 +39,7 @@ repos:
         args: [--enable=default-role]
         files: ^Doc/|^Misc/NEWS.d/next/
         types: [rst]
+        require_serial: true
 
   - repo: meta
     hooks:
