chore: bump protocol to 1.50.1 for simulation metrics pooling stats

Bobronium · Bobronium · commit 8c89b82e5736 · 2026-07-20T14:39:07.000+04:00
diff --git a/livekit-protocol/protocol b/livekit-protocol/protocol
@@ -1 +1 @@
-Subproject commit 74296228107d852bafdc3e0ca9cc72643150be43
+Subproject commit 13270fa5980f931b8a3bc26bd86fce954b3c4b65
