doc: update changelog for 3.7.3
doc: update changelog for 3.7.3

cchamberlain/npm,midniteio/npm,evocateur/npm,DaveEmmerson/npm,misterbyrne/npm,chadnickbok/npm,Volune/npm,misterbyrne/npm,yodeyer/npm,lxe/npm,cchamberlain/npm,yodeyer/npm,yibn2008/npm,xalopp/npm,TimeToogo/npm,cchamberlain/npm-msys2,cchamberlain/npm,lxe/npm,chadnickbok/npm,evocateur/npm,cchamberlain/npm-msys2,TimeToogo/npm,DaveEmmerson/npm,midniteio/npm,Volune/npm,xalopp/npm,TimeToogo/npm,chadnickbok/npm,yibn2008/npm,misterbyrne/npm,DaveEmmerson/npm,yodeyer/npm,Volune/npm,lxe/npm,cchamberlain/npm-msys2,xalopp/npm,evocateur/npm,yibn2008/npm,midniteio/npm