chore: Bump version to 3.2.0 for npm publish

Includes scan_command tool (SHRIKE-205), rejection blocked:true fix
(SHRIKE-301), and expires_in_seconds fix (SHRIKE-302).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Habirua

package-lock.json

@@ -1,7 +1,7 @@
 {
   "name": "shrike-mcp",
   "mcpName": "io.github.Shrike-Security/shrike-mcp",
-  "version": "3.1.0",
+  "version": "3.2.0",
   "description": "MCP server that gives AI agents 8 security tools powered by a multi-stage detection pipeline. Scans prompts, responses, SQL, file writes, and web searches for injection attacks, PII leaks, and policy violations. Human-in-the-loop approval engine for enterprise compliance.",
   "type": "module",
   "main": "./dist/index.js",