Fix version to 1.3.0 and add py.typed to package-data

Author: bewithgaurav

build_ddbc/__init__.py

@@ -16,4 +16,4 @@
 from mssql_python.platform_utils import get_platform_info
 
 __all__ = ["compile_ddbc", "get_platform_info"]
-__version__ = "1.2.0"
+__version__ = "1.3.0"

pyproject.toml

@@ -11,7 +11,7 @@ backend-path = ["."]
 # =============================================================================
 [project]
 name = "mssql-python"
-version = "1.2.0"
+version = "1.3.0"
 description = "A Python library for interacting with Microsoft SQL Server"
 readme = "PyPI_Description.md"
 license = "MIT"
@@ -102,6 +102,7 @@ exclude = ["build_ddbc*", "tests*", "benchmarks*"]
 
 [tool.setuptools.package-data]
 mssql_python = [
+    "py.typed",
     "ddbc_bindings.cp*.pyd",
     "ddbc_bindings.cp*.so",
     "libs/*",