analyze: ignore dependencies with security --offline

We don't care about validating dependencies here, the security verb is
only checking the unit(s) under test.

src/analyze/analyze-security.c

@@ -2647,6 +2647,7 @@ static int offline_security_checks(char **filenames,
         const ManagerTestRunFlags flags =
                 MANAGER_TEST_RUN_MINIMAL |
                 MANAGER_TEST_RUN_ENV_GENERATORS |
+                MANAGER_TEST_RUN_IGNORE_DEPENDENCIES |
                 run_generators * MANAGER_TEST_RUN_GENERATORS;
 
         _cleanup_(manager_freep) Manager *m = NULL;