[Internal] Fix tool ci by skipping acs test since the test resource is not valid

[16oeahr]

Description

Failed tool ci: https://github.com/microsoft/promptflow/actions/runs/9542727564/job/26298045963

FAILED src/promptflow-tools/tests/test_acs.py::TestAzureContentSafety::test_azure_content_safety_analyze_happy_path - promptflow.tools.exception.AzureContentSafetySystemError: Error in detecting content: Key based authentication is disabled for this resource.

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