[python] skip test for APPSEC-61861 (#7313)

Author: avara1986

manifests/python.yml

@@ -438,7 +438,7 @@ manifest:
         "*": v4.12.0-rc1 (implemented in v3.9.0.dev)
   tests/appsec/iast/sink/test_unvalidated_redirect.py::TestUnvalidatedHeader_ExtendedLocation:
     - weblog_declaration:
-        "*": v4.12.0-rc1 (implemented in v3.9.0.dev)
+        "*": flaky (APPSEC-61861)  # v4.7.0-rc1 (implemented in v3.9.0.dev, but there was the APPSEC-57817 and APPSEC-61861 bugs)
   tests/appsec/iast/sink/test_unvalidated_redirect.py::TestUnvalidatedHeader_StackTrace:  # Easy win for django-poc, django-py3.13, fastapi, flask-poc, python3.12, uds-flask, uwsgi-poc and version 4.6.4
     - weblog_declaration:
         "*": v4.7.0-rc1 (implemented in v3.9.0.dev, but there was the APPSEC-57817 and APPSEC-61861 bugs)