clang-tidy: Enable readability-qualified-auto check

This check aims to improve code readability by suggesting the use
of const auto * instead of auto for variables that are pointers
or iterators. This helps clarify the const-ness of the pointed-to
object or container elements.

Signed-off-by: George Liu <liuxiwei@ieisystem.com>
Change-Id: Ia132b6dd8ae4e3c16809326f6055396666abc95a
diff --git a/test/utest-serialize.cpp b/test/utest-serialize.cpp
index 8c75031..7a7188b 100644
--- a/test/utest-serialize.cpp
+++ b/test/utest-serialize.cpp
@@ -10,11 +10,11 @@
 {
     namespace fs = std::filesystem;
 
-    static constexpr auto& path = "config/led-save-group.json";
-    static constexpr auto& bmcBooted =
+    static constexpr auto path = "config/led-save-group.json";
+    static constexpr auto bmcBooted =
         "/xyz/openbmc_project/led/groups/bmc_booted";
-    static constexpr auto& powerOn = "/xyz/openbmc_project/led/groups/power_on";
-    static constexpr auto& enclosureIdentify =
+    static constexpr auto powerOn = "/xyz/openbmc_project/led/groups/power_on";
+    static constexpr auto enclosureIdentify =
         "/xyz/openbmc_project/led/groups/EnclosureIdentify";
 
     Serialize serialize(path);