Adjust error to make it clear that the password verifier type is not

supported in thin mode.

Author: anthony-tuininga

src/oracledb/errors.py

@@ -439,7 +439,8 @@ def _raise_from_string(exc_type: Exception, message: str) -> None:
     ERR_UNSUPPORTED_VAR_SET:
             'variable of type {db_type_name} does not support being set',
     ERR_UNSUPPORTED_VERIFIER_TYPE:
-            'unsupported password verifier type: 0x{verifier_type:x}',
+            'password verifier type 0x{verifier_type:x} is not supported by '
+            'python-oracledb in thin mode',
     ERR_WALLET_FILE_MISSING:
             'cannot connect to database. Wallet file {name} was not found',
     ERR_WRONG_ARRAY_DEFINITION: