enhance: use trusted publisher and remove deprecated

- enhance: Publishing with trusted publisher (milvus-io#2547)
- Remove long deprecated Milvus class (milvus-io#2544)

Ref: https://docs.pypi.org/trusted-publishers/using-a-publisher/
See also: milvus-io#2440, milvus-io#2543

Signed-off-by: yangxuan <xuan.yang@zilliz.com>

.github/workflows/publish_dev_package.yml

@@ -9,6 +9,9 @@ jobs:
   build-n-publish:
     name: Build and publish Python 🐍 distributions 📦 to TestPyPI
     runs-on: ubuntu-latest
+    environment: testpypi
+    permissions:
+      id-token: write
 
     steps:
     - name: Check out from Git
@@ -38,6 +41,5 @@ jobs:
     - name: Publish distribution 📦 to Test PyPI
       uses: pypa/gh-action-pypi-publish@release/v1
       with:
-        password: ${{ secrets.TOKEN_TEST_PYPI }}
         repository-url: https://test.pypi.org/legacy/
 

pymilvus/__init__.py

@@ -14,7 +14,6 @@
 from .client.abstract import AnnSearchRequest, Hit, Hits, RRFRanker, SearchResult, WeightedRanker
 from .client.asynch import SearchFuture
 from .client.prepare import Prepare
-from .client.stub import Milvus
 from .client.types import (
     BulkInsertState,
     DataType,
@@ -89,7 +88,6 @@
     "Hits",
     "Index",
     "IndexType",
-    "Milvus",
     "MilvusClient",
     "MilvusException",
     "MilvusUnavailableException",