[submodule] Bump LVCore

• af16542b Merge branch 'refact/updateAnimationExample' into 'master' lidarview-core!549 (merged)
• 8b964dfa Merge branch 'feat/AddFilterToRemoveOutliers' into 'master' lidarview-core!560 (merged)
• 120e466d Merge branch 'feat/AddClusteringFilter' into 'master' lidarview-core!557 (merged)
• 2be29c7f Merge branch 'feat/add_average_selected_point_example' into 'master' lidarview-core!559 (merged)
• df275bf3 Merge branch 'fix/FixProcessingModuleLinkNanoflann' into 'master' lidarview-core!558 (merged)