fix deploy bug and add license to toml

Author: yaozheng-fang

.github/workflows/publish-tag-to-pypi.yaml

@@ -1,6 +1,8 @@
 name: Publish Tag to PyPI
 
-on: push
+on:
+  push:
+  workflow_dispatch:
 
 jobs:
   build:

pyproject.toml

@@ -4,6 +4,7 @@ version = "0.2.2"
 description = "Volcengine agent development kit, integrations with Volcengine cloud services."
 readme = "README.md"
 requires-python = ">=3.10"
+license = { file = "LICENSE" }
 authors = [
     {name = "Yaozheng Fang", email = "[email protected]"},
     {name = "Guodong Li", email = "[email protected]"},