Updated 5.2 changelog

6 jobs for OpenMesh-5.2
Status Job ID Name Coverage
  Test
passed #3585
Linux
clang-c++11

00:17:56

passed #3587
Linux
clang-c++98

00:16:27

passed #3584
Linux
gcc-c++11

00:05:45

passed #3586
Linux
gcc-c++98

00:04:07

passed #3588
Apple
macos-c++11

00:14:41

passed #3589
Apple
macos-c++98

00:17:12