Update grpc-sideband submodule to latest commit

tjying95 · tjying95 · commit f9f992cff00c · 2025-03-13T17:23:02.000+08:00
diff --git a/third_party/grpc-sideband b/third_party/grpc-sideband
@@ -1 +1 @@
-Subproject commit b1cd688921128044054592315327b7768e7f894c
+Subproject commit 0ce928851df2e335ebdc385cced6d46a662c505e
