Overwork warning flags (#2936)

* ⚗️ update warning flags

test/src/unit-noexcept.cpp

@@ -29,6 +29,10 @@ SOFTWARE.
 
 #include "doctest_compatibility.h"
 
+// disable -Wnoexcept due to struct pod_bis
+DOCTEST_GCC_SUPPRESS_WARNING_PUSH
+DOCTEST_GCC_SUPPRESS_WARNING("-Wnoexcept")
+
 #include <nlohmann/json.hpp>
 
 using nlohmann::json;
@@ -95,3 +99,5 @@ TEST_CASE("runtime checks")
         from_json(j2, pod_bis());
     }
 }
+
+DOCTEST_GCC_SUPPRESS_WARNING_POP