Updating clangsa sei cert mapping for clang 18

- The association of SEI CERT C and C++ Coding Standard Rules
are updated for the Clang Static Analyzer version 18.
- All alpha checkers were removed from the SEI Cert profile
- All sei cert checkers were added to the security profile

analyzer/tests/functional/cmdline/test_cmdline.py

@@ -152,7 +152,6 @@ def test_checkers_guideline(self):
                         '--guideline', 'sei-cert']
         _, out, _ = run_cmd(checkers_cmd)
 
-        self.assertNotIn('readability', out)
         self.assertIn('cert-str34-c', out)
 
         checkers_cmd = [env.codechecker_cmd(), 'checkers',
@@ -170,8 +169,7 @@ def test_checkers_guideline(self):
 
         for checker in out:
             self.assertTrue(checker['name'].endswith('sizeof-expression') or
-                            checker['name'].endswith('SizeofPtr') or
-                            checker['name'].endswith('CastSize') or
+                            checker['name'].endswith('Malloc') or
                             checker['name'].endswith('MallocSizeof'))
 
         checkers_cmd = [env.codechecker_cmd(), 'checkers', '--guideline']