Replace broken links to videos of Bjarne's talks

Fixes #2302

Author: jwakely

CppCoreGuidelines.md

@@ -21036,8 +21036,8 @@ A textbook for beginners and relative novices.
 
 ## <a name="ss-vid"></a>RS.video: Videos about "modern C++"
 
-* Bjarne Stroustrup: [C++11 Style](http://channel9.msdn.com/Events/GoingNative/GoingNative-2012/Keynote-Bjarne-Stroustrup-Cpp11-Style). 2012.
-* Bjarne Stroustrup: [The Essence of C++: With Examples in C++84, C++98, C++11, and C++14](http://channel9.msdn.com/Events/GoingNative/2013/Opening-Keynote-Bjarne-Stroustrup). 2013
+* Bjarne Stroustrup: [C++11 Style](https://learn.microsoft.com/en-us/shows/goingnative-2012/keynote-bjarne-stroustrup-cpp11-style). 2012.
+* Bjarne Stroustrup: [The Essence of C++: With Examples in C++84, C++98, C++11, and C++14](https://learn.microsoft.com/en-us/shows/goingnative-2013/opening-keynote-bjarne-stroustrup). 2013
 * All the talks from [CppCon &#8217;14](https://isocpp.org/blog/2014/11/cppcon-videos-c9)
 * Bjarne Stroustrup: [The essence of C++](https://www.youtube.com/watch?v=86xWVb4XIyE) at the University of Edinburgh. 2014.
 * Bjarne Stroustrup: [The Evolution of C++ Past, Present and Future](https://www.youtube.com/watch?v=_wzc7a3McOs). CppCon 2016 keynote.