Source Salesforce: Use new delete method of HttpMocker for test_bulk_stream (#38205)

Author: aldogonzalez8

airbyte-integrations/connectors/source-salesforce/metadata.yaml

@@ -10,7 +10,7 @@ data:
   connectorSubtype: api
   connectorType: source
   definitionId: b117307c-14b6-41aa-9422-947e34922962
-  dockerImageTag: 2.5.10
+  dockerImageTag: 2.5.11
   dockerRepository: airbyte/source-salesforce
   documentationUrl: https://docs.airbyte.com/integrations/sources/salesforce
   githubIssueLabel: source-salesforce