Add comment about RequestQuery (#42978)

* Add comment about RequestQuery

* Update src/Middleware/HttpLogging/src/HttpLoggingFields.cs

Co-authored-by: Aditya Mandaleeka <[email protected]>

* Update HttpLoggingFields.cs

Co-authored-by: Aditya Mandaleeka <[email protected]>

Author: wtgodbe

src/Middleware/HttpLogging/src/HttpLoggingFields.cs

@@ -158,6 +158,10 @@ public enum HttpLoggingFields : long
     /// Logging the request body has performance implications, as it requires buffering
     /// the entire request body up to <see cref="HttpLoggingOptions.RequestBodyLogLimit"/>.
     /// </summary>
+    /// <remarks>
+    /// The HTTP Request <see cref="HttpRequest.QueryString"/> is not included with this flag as it may contain private information.
+    /// If desired, it should be explicitly specified with <see cref="RequestQuery"/>.
+    /// </remarks>
     Request = RequestPropertiesAndHeaders | RequestBody,
 
     /// <summary>
@@ -175,5 +179,9 @@ public enum HttpLoggingFields : long
     /// the entire request and response body up to the <see cref="HttpLoggingOptions.RequestBodyLogLimit"/>
     /// and <see cref="HttpLoggingOptions.ResponseBodyLogLimit"/>.
     /// </summary>
+    /// <remarks>
+    /// The HTTP Request <see cref="HttpRequest.QueryString"/> is not included with this flag as it may contain private information.
+    /// If desired, it should be explicitly specified with <see cref="RequestQuery"/>.
+    /// </remarks>
     All = Request | Response
 }