[GPU] Disable TCs for OVClassHeteroExecutableNetworkGetMetricTest (#12433)

Signed-off-by: Andrew Park <andrew.park@intel.com>

src/tests/functional/plugin/gpu/shared_tests_instances/skip_tests_config.cpp

@@ -93,5 +93,7 @@ std::vector<std::string> disabledTestPatterns() {
             R"(.*smoke_Auto_BehaviorTests.*InferDynamicNetwork/.*)",
             // Issue: CVS-86976
             R"(.*smoke_VirtualPlugin_BehaviorTests.*LoadedRemoteContext.*)",
+            // Issue: CVS-88667 - Need to verify hetero interoperability
+            R"(.*nightly_OVClassHeteroExecutableNetworlGetMetricTest.*SUPPORTED_(CONFIG_KEYS|METRICS).*)",
     };
 }