fix: Add llamaindex as a dependency

Author: anubhav756

packages/toolbox-llamaindex/pyproject.toml

@@ -11,6 +11,7 @@ authors = [
 dependencies = [
     # TODO: Bump lowest supported version to 0.2.0
     "toolbox-core>=0.1.0,<1.0.0",
+    "llama-index>=0.12.0,<1.0.0",
     "PyYAML>=6.0.1,<7.0.0",
     "pydantic>=2.8.0,<3.0.0",
     "aiohttp>=3.8.6,<4.0.0",