[core] Updates changelog to include credits for boost fix PR

Author: Peter Thorson

changelog.md

@@ -1,6 +1,9 @@
 HEAD
 - Examples: Update print_client_tls example to remove use of deprecated
   OpenSSL functions.
+- Compatibility: Removes the use of make_shared in a number of cases where
+  it would be incompatible with newer versions of ASIO. Thank you Stefan
+  Floeren for the patch.
 - CMake: Update cmake installer to better handle dependencies when using
   g++ on MacOS. Thank you Luca Palano for reporting and a patch. #831
 - CMake: Update cmake installer to use a variable for the include directory