cirrus/freebsd: define ENFORCE_REGRESSION_TEST_NAME_RESTRICTIONS

See also: 54100f5c6052404f68de9ce7310ceb61f1c2918f

Author: Justin Pryzby <pryzby@telsasoft.com>
Discussion: https://www.postgresql.org/message-id/flat/20220528153741.GK19626@telsasoft.com

Author: petere

.cirrus.yml

@@ -138,7 +138,7 @@ task:
     TEST_JOBS: 3
 
     CCACHE_DIR: /tmp/ccache_dir
-    CPPFLAGS: -DRELCACHE_FORCE_RELEASE -DCOPY_PARSE_PLAN_TREES -DWRITE_READ_PARSE_PLAN_TREES -DRAW_EXPRESSION_COVERAGE_TEST
+    CPPFLAGS: -DRELCACHE_FORCE_RELEASE -DCOPY_PARSE_PLAN_TREES -DWRITE_READ_PARSE_PLAN_TREES -DRAW_EXPRESSION_COVERAGE_TEST -DENFORCE_REGRESSION_TEST_NAME_RESTRICTIONS
     CFLAGS: -Og -ggdb
 
   depends_on: SanityCheck