Update git submodules

* Update org.eclipse.mylyn from branch 'master'
  to 668ba514d5123e3fc9e5c9971488cc03c864fde0
  - 562490: OOMPH: support 2020-06
    
    Change-Id: I4390c58be89d0ee8588f0e6a21fea21205387bdc
    Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=562490
    Signed-off-by: Frank Becker <eclipse@frank-becker.de>
1 file changed