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

AA-Turner · miss-islington · commit 1f6965650521 · 2023-10-10T12:51:30.000Z
(cherry picked from commit e24f9ae) Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -23,6 +23,7 @@ repos:
         args: [--enable=default-role]
         files: ^Doc/|^Misc/NEWS.d/next/
         types: [rst]
+        require_serial: true
 
   - repo: meta
     hooks:
