Update protocol to support Egress SRT & ImageOutput (#235)

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

Author: davidzhao

livekit-api/setup.py

@@ -53,7 +53,7 @@
         "aiohttp>=3.9.0",
         "protobuf>=3",
         "types-protobuf>=4,<5",
-        "livekit-protocol>=0.5.1,<2",
+        "livekit-protocol>=0.6.0,<2",
     ],
     package_data={
         "livekit.api": ["py.typed", "*.pyi", "**/*.pyi"],