feat(config): Update environment configuration for QBO integration

- Added QBO API URL and bearer token to the `.env.test` file for QuickBooks Online integration.
- Ensured existing Slack channel ID remains intact.

These changes enhance the application's configuration by integrating necessary environment variables for QuickBooks API access.

Author: anatolyshipitz

workers/main/.env.test

@@ -9,4 +9,7 @@ MONGO_DB_PASSWORD=testpassword
 MONGO_DB_NAME=testdb
 
 SLACK_TOKEN=test-token
-SLACK_FIN_REPORT_CHANNEL_ID=C02URP5L3U5
+SLACK_FIN_REPORT_CHANNEL_ID=C02URP5L3U5
+
+QBO_API_URL=https://quickbooks.api.intuit.com/v3/company/111111111
+QBO_BEARER_TOKEN=test-token