Add signature to telemetry regex

Author: lramos15

src/vs/platform/telemetry/common/telemetryService.ts

@@ -205,7 +205,7 @@ export class TelemetryService implements ITelemetryService {
 
 		// Regex which matches @*.site
 		const emailRegex = /@[a-zA-Z0-9-.]+/;
-		const secretRegex = /(key|token|sig|password|passwd|pwd)[="':\s]/;
+		const secretRegex = /(key|token|sig|signature|password|passwd|pwd)[="':\s]/;
 
 		// Check for common user data in the telemetry events
 		if (secretRegex.test(value)) {