Update Doxygen version to 1.9.2 (#111)

* Run Doxygen updater

* Update README

Author: archigup

README.md

@@ -95,7 +95,7 @@ For pre-generated documentation, please see the documentation linked in the loca
 Note that the latest included version of coreHTTP may differ across repositories.
 
 ### Generating Documentation
-The Doxygen references were created using Doxygen version 1.8.20. To generate the
+The Doxygen references were created using Doxygen version 1.9.2. To generate the
 Doxygen pages, please run the following command from the root of this repository:
 
 ```shell