🤖 Merge PR DefinitelyTyped#71099 fix(newrelic): correct recordCustomEvent return type by @atkinchris

Author: atkinchris

types/newrelic/index.d.ts

@@ -326,7 +326,10 @@ export function incrementMetric(name: string, value?: number): void;
  * `eventType` must be an alphanumeric string less than 255 characters.
  * The keys of `attributes` must be shorter than 255 characters.
  */
-export function recordCustomEvent(eventType: string, attributes: { [keys: string]: boolean | number | string }): void;
+export function recordCustomEvent(
+    eventType: string,
+    attributes: { [keys: string]: boolean | number | string },
+): undefined | false;
 
 /**
  * Registers an instrumentation function.