change some log levels from info to debug (#6651)

## Summary of changes

Change the log level of several messages from `info` to `debug`...

## Reason for change

...to reduce log spam.

## Implementation details

Change the log levels.

## Test coverage

N/A

## Other details

N/A

<!-- Fixes #{issue} -->

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Author: lucaspimentel

tracer/src/Datadog.Trace/ClrProfiler/Instrumentation.cs

@@ -304,7 +304,7 @@ internal static void InitializeNoNativeParts(Stopwatch sw = null)
             // we only support Service Fabric Service Remoting instrumentation on .NET Core (including .NET 5+)
             if (FrameworkDescription.Instance.IsCoreClr())
             {
-                Log.Information("Initializing ServiceFabric instrumentation");
+                Log.Debug("Initializing ServiceFabric instrumentation");
 
                 try
                 {

tracer/src/Datadog.Tracer.Native/rejit_preprocessor.cpp

@@ -389,7 +389,7 @@ void RejitPreprocessor<RejitRequestDefinition>::ProcessTypeDefForRejit(
             moduleHandler->SetModuleMetadata(moduleMetadata);
         }
 
-        Logger::Info("Method enqueued for ReJIT for ", caller.type.name, ".", caller.name,
+        Logger::Debug("Method enqueued for ReJIT for ", caller.type.name, ".", caller.name,
                   "(", caller.method_signature.NumberOfArguments(), " params).");
         EnqueueNewMethod(definition, metadataImport, metadataEmit, moduleInfo, typeDef, rejitRequests, methodDef,
                          functionInfo, moduleHandler);
@@ -900,7 +900,7 @@ bool RejitPreprocessor<RejitRequestDefinition>::CheckExactSignatureMatch(ComPtr<
     // instrumentation target
     if (numOfArgs != targetMethod.signature_types.size() - 1)
     {
-        Logger::Info("    * Skipping ", functionInfo.type.name, ".", functionInfo.name,
+        Logger::Debug("    * Skipping ", functionInfo.type.name, ".", functionInfo.name,
                      ": the methoddef doesn't have the right number of arguments (", numOfArgs, " arguments).");
         return false;
     }
@@ -923,7 +923,7 @@ bool RejitPreprocessor<RejitRequestDefinition>::CheckExactSignatureMatch(ComPtr<
     }
     if (argumentsMismatch)
     {
-        Logger::Info("    * Skipping ", targetMethod.method_name,
+        Logger::Debug("    * Skipping ", targetMethod.method_name,
                      ": the methoddef doesn't have the right type of arguments.");
         return false;
     }
@@ -940,4 +940,4 @@ void RejitPreprocessor<RejitRequestDefinition>::UpdateMethod(RejitHandlerModuleM
 template class RejitPreprocessor<std::shared_ptr<debugger::MethodProbeDefinition>>;
 template class RejitPreprocessor<IntegrationDefinition>;
 
-} // namespace trace
+} // namespace trace