livekit-protocol: 1.0.12 -> 1.0.6

This is in fact an upgrade because the package incorrectly used the "rtc-"
version prefix for `src` but the `protocol-` version prefix for the updateScript.

Since this is the protocol; I assume we should use the protocol one.

Diff: https://github.com/livekit/python-sdks/compare/rtc-v1.0.12...protocol-v1.0.6

pkgs/development/python-modules/livekit-protocol/default.nix

@@ -9,14 +9,14 @@
 
 buildPythonPackage rec {
   pname = "livekit-protocol";
-  version = "1.0.12";
+  version = "1.0.6";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "livekit";
     repo = "python-sdks";
-    tag = "rtc-v${version}";
-    hash = "sha256-NfFlj44aRMA7oUXyIKljNdtb/2MLvjIJGcAvIGNbNxM=";
+    tag = "protocol-v${version}";
+    hash = "sha256-Sl/pAwiCS7sAY8VHJzSqm/Mj92NsO5NLuxQ/Y5GnaAw=";
   };
 
   pypaBuildFlags = [ "livekit-protocol" ];