fix: Shorten tool name exceeding 64 char limit

- Renamed outline_bulk_remove_users_from_collection (41 chars)
  to outline_bulk_remove_collection_users (38 chars)
- With MCP prefix (24 chars), total was 65 > 64 limit
- Bumped version to 1.3.7
- Updated all version references in source files

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

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mcp-outline-postgresql",
-  "version": "1.3.6",
+  "version": "1.3.7",
   "description": "MCP Server for Outline Wiki via PostgreSQL direct access",
   "main": "dist/index.js",
   "scripts": {