Update git submodules

• Update BlueSpicePageTemplates from branch 'master' to ebc6cb34a389cca82d3ef877c87bbff681c6b8a6
  • Add tags for PageTemplates
    
    ERM32301
    
    [4.2.x, 4.3.x]
    
    Change-Id: Ia41652cab6f2207defc6c2e56d8173a7548be0f8 (cherry picked from commit 662a00466badcb816c865347ed3147d65f178861) (cherry picked from commit e96674ab980451530b871f05ba5d53d634d9db01)