chore: bump version to 0.32.1

Changes in 0.32.1:
- feat(mcp): Add output control params (PR#667) - brief, brief_deps, fields, max_description_length
- feat(mcp): Add filtering params - labels, labels_any, query, unassigned, sort_policy
- fix(pin): Add pinned to allowed update fields (gt-zr0a)

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

cmd/bd/templates/hooks/pre-commit

@@ -1,6 +1,6 @@
 #!/bin/sh
 # bd-shim v1
-# bd-hooks-version: 0.32.0
+# bd-hooks-version: 0.32.1
 #
 # bd (beads) pre-commit hook - thin shim
 #