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",
@@ -42,6 +43,7 @@ _SUPPORTED_STREAMS = (
         "webrtc",
         "webtorrent",
     )
+)
 
 
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool: