Updates to work with latest Python (3.14.2)

[lmjonathanpartington]

// lm-netflow-gen-v3.py Edits...

// out_packets should use outpackets (currently using inpackets)
LINE 527 'out_packets': outpackets,

// out_octets should use outoctets (currently using inoctets)
LINE 529 'out_octets': outoctets,

// PYQT6/GUI FIX: Column count must match header labels (12 columns: includes Start Time + End Time)
LINE 700 self.flow_table.setColumnCount(12)

// requirements.txt Edits...

scapy>=2.5.0
PyQt6==6.10.2