chore: update version to 1.2.4 and add mcpName field

Author: tech-sushant

package-lock.json

@@ -1,7 +1,8 @@
 {
   "name": "@browserstack/mcp-server",
-  "version": "1.2.3",
+  "version": "1.2.4",
   "description": "BrowserStack's Official MCP Server",
+  "mcpName": "io.github.browserstack/mcp-server",
   "main": "dist/index.js",
   "repository": {
     "type": "git",