Update credits

doc/CREDITS.rst

@@ -5,6 +5,18 @@ Thanks goes to all the kind PyInstaller contributors who have contributed
 new code, bug reports, fixes, comments and ideas. A brief list follows,
 please let us know if your name is omitted by accident:
 
+Contributions to PyInstaller 4.3
+--------------------------------
+
+* Rok Mandeljc - Core Developer
+* Brénainn Woodsend - Core Developer
+* Jasper Harrison (Legorooj) - Core Developer, Maintainer, Release Manager
+* Hartmut Goebel, Core Developer, Maintainer
+* xoviat
+
+* Dan Yeaw, Bruno Oliveira, Maxim Kalinchenko, Max Mäusezahl, Olivier FAURAX, richardsheridan, memo-off
+
+
 Contributions to PyInstaller 4.2
 ----------------------------------