Update git submodules

* Update org.eclipse.mylyn from branch 'master'
  to 8a8b341ac9f7b8255a3b898407a4776c153f12e1
  - 562490: OOMPH: support 2020-06
    
    Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=562490
    
    Change-Id: I9b430ec04500051704bbf833cbb1658c34c10762
    Signed-off-by: Frank Becker <eclipse@frank-becker.de>
    
1 file changed