[NFC] Use the Correct const-Qualification in Dependency Code

T *const does not prevent logically non-const accesses to the underlying data, it merely indicates that the pointer value itself is const. This modifier can be cast off by a copy, so it's not generally what you want here. Switch to const T * instead.

lib/FrontendTool/FrontendTool.cpp

@@ -116,8 +116,8 @@ emitLoadedModuleTraceForAllPrimariesIfNeeded(ModuleDecl *mainModule,
                                              const FrontendOptions &opts) {
   opts.InputsAndOutputs.forEachInputProducingSupplementaryOutput(
       [&](const InputFile &input) -> bool {
-        return emitLoadedModuleTraceIfNeeded(mainModule, depTracker, opts,
-                                             input);
+        return swift::emitLoadedModuleTraceIfNeeded(mainModule, depTracker,
+                                                    opts, input);
       });
 }