fix: add py.typed to the package definition (#667)

Author: bednar

CHANGELOG.md

@@ -1,5 +1,8 @@
 ## 1.46.0 [unreleased]
 
+### Bug Fixes
+1. [#667](https://github.com/influxdata/influxdb-client-python/pull/667): Missing `py.typed` in distribution package
+
 ### Examples:
 1. [#664](https://github.com/influxdata/influxdb-client-python/pull/664/): Multiprocessing example uses new source of data
 1. [#665](https://github.com/influxdata/influxdb-client-python/pull/665): Shows how to leverage header fields in errors returned on write.

setup.py

@@ -66,6 +66,7 @@
     extras_require={'extra': extra_requires, 'ciso': ciso_requires, 'async': async_requires, 'test': test_requires},
     long_description_content_type="text/markdown",
     packages=find_packages(exclude=('tests*',)),
+    package_data={'influxdb_client': ['py.typed']},
     test_suite='tests',
     python_requires='>=3.7',
     include_package_data=True,