Update 3rd_party-python-sdk

Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Sebastian Gode <sebastian.gode@telekom.de>
Co-committed-by: Sebastian Gode <sebastian.gode@telekom.de>

otc_metadata/data/documents/obs_3rd_party-python-sdk.yaml

@@ -5,7 +5,7 @@ link: /object-storage-service-3rd-party/python-sdk/
 rst_location: doc/python-sdk/source
 service_type: obs_3rd_party
 title: Python SDK
-type: 3rd_party_sdk
+type: python-sdk
 cloud_environments:
   - name: eu_de
     visibility: public