[FLINK-39682] Fix unable to invoke TO_DATE with TIMESTAMP types

Author: yuxiqian

flink-cdc-composer/src/test/java/org/apache/flink/cdc/composer/specs/TransformSpecsITCase.java

@@ -511,6 +511,7 @@ void runTransformSpecs(String group, String name, TestSpec spec) throws Exceptio
         "specs/logical.yaml",
         "specs/meta.yaml",
         "specs/nested.yaml",
+        "specs/regression.yaml",
         "specs/string.yaml",
         "specs/temporal.yaml"
     };