feat(network::huawei::standard::snmp): extend Huawei Network Device by GPON ONT module monitoring

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Community contributors

Description

Plugin(network::huawei::standard::snmp): extend Huawei Network Device by GPON ONT module monitoring

Fixes # CTOR-1842

Type of change

• Patch fixing an issue (non-breaking change)
• New functionality (non-breaking change)
• Functionality enhancement or optimization (non-breaking change)
• Breaking change (patch or feature) that might cause side effects breaking part of the Software

Summary by Aikido

Security Issues: 0	Quality Issues: 0	Resolved Issues: 0

🚀 New Features

• Added GPON ONT monitoring modes and supporting module files.

⚡ Enhancements

• Extended Huawei SNMP plugin to register new ONT monitoring modes.
• Implemented get_serial_string helper to parse ONT serial numbers.
• Converted traffic counters from bytes to bits and updated units.

🔧 Refactors

• Bumped copyright years and updated misc.pm for consistency.

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