feat(agents): support attributes in list/deploy/update agent ops (#1636)

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

Author: rektdeckard

.changeset/chilly-adults-tie.md

@@ -0,0 +1,6 @@
+---
+"github.com/livekit/protocol": minor
+"@livekit/protocol": minor
+---
+
+Support cloud agent attributes in CRUD operations