chore: add missing _Deprecated_ to 'renderer-process-crashed' on app (electron#24432)

trop[bot] · miniak · web-flow · commit 73e13ab6d6dd · 2020-07-06T16:08:57.000-04:00
Co-authored-by: Milan Burda &lt;milan.burda@gmail.com&gt;
diff --git a/docs/api/app.md b/docs/api/app.md
@@ -359,7 +359,7 @@ Returns:
 
 Emitted when the GPU process crashes or is killed.
 
-### Event: 'renderer-process-crashed'
+### Event: 'renderer-process-crashed' _Deprecated_
 
 Returns:
 
