chore: bump version to 12.0.1

Patch release for the MCP server bun:sqlite crash fix landed in
PR #1645 (commit abd55977).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

plugin/package.json

@@ -1,6 +1,6 @@
 {
   "name": "claude-mem-plugin",
-  "version": "12.0.0",
+  "version": "12.0.1",
   "private": true,
   "description": "Runtime dependencies for claude-mem bundled hooks",
   "type": "module",