Use no-switch-default on clang

clang-18 improves this check so that we can actually use it.  Enable it
and fix all violations.

Change-Id: Ibe4ce19c423d447a4cbe593d1abba948362426af
Signed-off-by: Ed Tanous <ed@tanous.net>
diff --git a/http/routing.hpp b/http/routing.hpp
index 562abaf..921bfe8 100644
--- a/http/routing.hpp
+++ b/http/routing.hpp
@@ -319,7 +319,7 @@
                     case ParamType::PATH:
                         BMCWEB_LOG_DEBUG("<path>");
                         break;
-                    case ParamType::MAX:
+                    default:
                         BMCWEB_LOG_DEBUG("<ERROR>");
                         break;
                 }