How to access DBMS_CLOUD package on Autonomous DB free tier?

Summary:

I'm on Always free Autonomous DB. The DB version is 19c. However I cannot find / use the DBMS_CLOUD package

Content (required):

The DBMS_CLOUD package seems missing in my Autonomous DB. What do I do to activate it?

Version (include the version you are using, if applicable):

19c

Code Snippet (add any code snippets that support your topic, if applicable):

SELECT * FROM DBMS_CLOUD.LIST_OBJECTS('OBJ_STORE_CRED', 'https://objectstorage.us-phoenix-1.oraclecloud.com/n/namespace-string/b/bucketname/o/');

this query, replaced with my URL ofcourse, yields the error:

ORA-00904: "DBMS_CLOUD"."LIST_OBJECTS": invalid identifier