one more windows test fix for signals (#11680)

Summary:
Underlying functionality is now working, but a test failure remains -
will actually let the windows build finish this time

Test Plan: Azure and BK

### Summary & Motivation

### How I Tested These Changes

python_modules/dagster/dagster_tests/general_tests/utils_tests/test_signals.py

@@ -6,11 +6,15 @@
 def test_get_run_crash_explanation():
     assert get_run_crash_explanation("foo", 1) == "foo unexpectedly exited with code 1."
     assert (
-        get_run_crash_explanation("foo", -Signals.SIGTERM)
-        == "foo was terminated by signal 15 (SIGTERM)."
+        get_run_crash_explanation("foo", -Signals.SIGINT)
+        == "foo was terminated by signal 2 (SIGINT)."
     )
+
+    term_signal = get_terminate_signal()
+
     assert (
-        "foo was terminated by signal 9 (SIGKILL). This usually indicates that the process was"
-        " killed by the operating system due to running out of memory."
+        f"foo was terminated by signal {term_signal} ({term_signal.name}). This usually"
+        " indicates that the process was killed by the operating system due to running out of"
+        " memory."
         in get_run_crash_explanation("foo", -get_terminate_signal())
     )