fix(deps): add missing requests-toolbelt dependency to pyproject.toml (#273)

Signed-off-by: verseon0980 <klokrc74@gmail.com>

Author: verseon0980

pyproject.toml

@@ -16,14 +16,14 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
 ]
-
 dependencies = [
     "eth-account>=0.13.4",
     "web3>=7.3.0",
     "click>=8.1.7",
     "firebase-rest-api>=1.11.0",
     "numpy>=1.26.4",
     "requests>=2.32.3",
+    "requests-toolbelt>=0.9.1",
     "langchain>=0.3.7",
     "openai>=1.58.1",
     "pydantic>=2.9.2",