Fixed STG76 GA setup.py classifier (#17007)

Author: tasherif-msft

sdk/storage/azure-storage-blob/setup.py

@@ -71,7 +71,7 @@
     author_email='[email protected]',
     url='https://github.com/Azure/azure-sdk-for-python/tree/master/sdk/storage/azure-storage-blob',
     classifiers=[
-        "Development Status :: 5 - Stable",
+        "Development Status :: 5 - Production/Stable",
         'Programming Language :: Python',
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',

sdk/storage/azure-storage-file-datalake/setup.py

@@ -72,7 +72,7 @@
     author_email='[email protected]',
     url='https://github.com/Azure/azure-sdk-for-python',
     classifiers=[
-        "Development Status :: 5 - Stable",
+        "Development Status :: 5 - Production/Stable",
         'Programming Language :: Python',
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',