Make go2rtc supported streams a frozenset (#127439)

Avoids the linear search of the tuple

homeassistant/components/go2rtc/__init__.py

@@ -15,7 +15,8 @@ from homeassistant.helpers.aiohttp_client import async_get_clientsession
 from .const import CONF_BINARY
 from .server import Server
 
-_SUPPORTED_STREAMS = (
+_SUPPORTED_STREAMS = frozenset(
+    (
         "bubble",
         "dvrip",
         "expr",
@@ -41,6 +42,7 @@ _SUPPORTED_STREAMS = (
         "tcp",
         "webrtc",
         "webtorrent",
+    )
 )