ci: Ignore sql=>qb rule for test files

.github/helper/semgrep_rules/frappe_correctness.yml

@@ -137,6 +137,9 @@ rules:
     - pattern: frappe.db.sql(...)
     - pattern: frappe.db.sql_ddl(...)
     - pattern: frappe.db.sql_list(...)
+  paths:
+    exclude:
+      - "test_*.py"
   message: |
     The PR contains a SQL query that may be re-written with frappe.qb (https://frappeframework.com/docs/user/en/api/query-builder) or the Database API (https://frappeframework.com/docs/user/en/api/database)
   languages: [python]