fix: Update GUI version to v0.2.0

The GUI was still reporting v0.1.1 in telemetry. Updated to match
the current release version.

🤖 Generated with [Claude Code](https://claude.ai/code)

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

Author: mscrnt

cmd/fire-gui/main.go

@@ -30,7 +30,7 @@ func run() int {
 	flag.Parse()
 
 	// Set app version for telemetry
-	telemetry.SetAppVersion("v0.1.1") // GUI version
+	telemetry.SetAppVersion("v0.2.0") // GUI version
 
 	// Initialize telemetry
 	telemetry.Initialize(*telemetryEndpoint, "", *telemetryEnabled)