Add missing virtual destructor for Timer::Callback (abstract) class

3 jobs for add_missing_virtual_destructors in 31 minutes and 26 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Build
passed #143152
linux
build-linux

00:31:26

passed #143153
win
build-win

00:27:48

 
  Deploy
manual #143154
linux conda allowed to fail manual
deploy-devel