chore(dependencies): manage gradio dependency in pyproject.toml

- Removed `gradio` from the main dependencies section to streamline the core requirements.
- Added `gradio` back to the development dependencies to ensure it is available for testing and development purposes.

Author: Frankstein73

pyproject.toml

@@ -33,7 +33,6 @@ dependencies = [
     "typing-extensions>=4.13.2",
     "more-itertools>=10.7.0",
     "json-repair>=0.44.1",
-    "gradio>=5.34.0",
 ]
 requires-python = "==3.11.*"
 readme = "README.md"
@@ -89,6 +88,7 @@ dev = [
     "mongomock>=4.3.0",
     "qwen-vl-utils>=0.0.10",
     "tabulate>=0.9.0",
+    "gradio>=5.34.0",
 ]
 flash-attn = [
     "flash-attn>=2.7.4.post1; (sys_platform == 'win32' or sys_platform == 'linux')",