update ChangeLog and version number

4 jobs for ducc0_0_20_0 in 18 minutes and 1 second
latest
Status Job ID Name Coverage
  Build Docker
passed #1387614
build_docker

00:00:14

 
  Testing
passed #1387616
test_clang

00:17:34

passed #1387615
test_gcc

00:16:24

 
  Release
passed #1387617
release

00:00:12