refactor: 💥 ! derived_deduced_unit renamed to derived_scaled_unit

Naming is hard ;-)

test/unit_test/runtime/fmt_test.cpp

@@ -189,7 +189,7 @@ TEST_CASE("operator<< on a quantity", "[text][ostream][fmt]")
       SECTION("surface tension")
       {
         struct newton_per_centimetre :
-            derived_deduced_unit<newton_per_centimetre, si::dim_surface_tension, newton, centimetre> {};
+            derived_scaled_unit<newton_per_centimetre, si::dim_surface_tension, newton, centimetre> {};
         const surface_tension<newton_per_centimetre> q(123);
         os << q;