Subscribing janeyx99 to optimizer PRs (pytorch#89943)

Adding myself to keep updated with what's up in the world of optimizers
Pull Request resolved: pytorch#89943
Approved by: https://github.com/albanD

CODEOWNERS

@@ -15,7 +15,7 @@
 /torch/autograd/ @albanD @soulitzer
 /tools/autograd/ @albanD @soulitzer
 /torch/nn/ @albanD @jbschlosser
-/torch/optim/ @albanD
+/torch/optim/ @albanD @janeyx99
 /test/test_public_bindings.py @albanD
 /test/allowlist_for_publicAPI.json @albanD @anjali411
 /docs/source/conf.py @albanD