v0.11.3 - fix empty node name errors
filter out empty node names (#427) * filter out empty node names * Update graphiti_core/utils/maintenance/node_operations.py Co-authored-by: ellipsis-dev[bot] <65095814+ellipsis-dev[bot]@users.noreply.github.com> --------- Co-authored-by: ellipsis-dev[bot] <65095814+ellipsis-dev[bot]@users.noreply.github.com>