add package workflow for 0.2 (#3892)

* add package workflow for 0.2

* Update workflow

.github/python-package-0.2.yml

@@ -0,0 +1,30 @@
+name: AgentChat 0.2 Pypi Package
+
+on:
+  push:
+    tags:
+      - "0.2.*"
+  workflow_dispatch:
+permissions: {}
+jobs:
+  deploy:
+    strategy:
+      matrix:
+        os: ["ubuntu-latest"]
+        python-version: [3.10]
+    runs-on: ${{ matrix.os }}
+    environment:
+      name: package
+      url: https://pypi.org/p/autogen-agentchat
+    permissions:
+      id-token: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build
+        shell: pwsh
+        run: |
+          pip install twine
+          python setup.py sdist bdist_wheel
+      - name: Publish package to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1