bump version to 2.2.0 [skip ci]

Author: github-actions[bot]

package.json

@@ -1,6 +1,6 @@
 {
   "name": "foundryvtt-rest-api-relay",
-  "version": "2.1.2",
+  "version": "2.2.0",
   "description": "Message relay server for the foundryvtt-rest-api Foundry Module",
   "main": "index.js",
   "scripts": {

src/routes/api.ts

@@ -31,7 +31,7 @@ import { browserSessions, apiKeyToSession, pendingSessions } from './api/session
 
 export { browserSessions, apiKeyToSession, pendingSessions };
 
-export const VERSION = '2.1.2';
+export const VERSION = '2.2.0';
 
 const INSTANCE_ID = process.env.INSTANCE_ID || 'default';