Update git submodules

* Update org.eclipse.mylyn from branch 'master'
  to dcfa85dff5421019d10d77f9f3719679abf07be5
  - 542870: Mylyn is not compatible with Java 11
    
    * added javax.activation that JAXB depends on
    
    Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=542870
    
    Change-Id: I6a2952337727f99b06545cb71e8c858c3b4a3925
    Signed-off-by: alexei.trebounskikh <alexei.trebounskikh@tasktop.com>
    
1 file changed