ci(asm): fix api sec test (#7910)

#7518 just introduced an
error in a test suite.
This PR fixes that.

## Checklist

- [x] Change(s) are motivated and described in the PR description.
- [x] Testing strategy is described if automated tests are not included
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maintainability, etc).
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## Reviewer Checklist

- [x] Title is accurate.
- [x] No unnecessary changes are introduced.
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[API](https://ddtrace.readthedocs.io/en/stable/versioning.html#interfaces)
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Author: christophe-papazian

tests/appsec/appsec/api_security/test_schema_fuzz.py

@@ -10,7 +10,7 @@
 
 def build_schema(obj):
     rules = {}
-    with open(constants.DEFAULT.API_SECURITY_PARAMETERS, "r") as f_apisec:
+    with open(constants.DEFAULT.RULES, "r") as f_apisec:
         rules.update(json.load(f_apisec))
     waf = ddwaf.DDWaf(rules, b"", b"")
     ctx = waf._at_request_start()