4.0.0

What's Changed

• [major] Bump service major versions except ekss and use hexkit v4 (GSI-1336) by @TheByronHimes in #90
• Quickfix port from v3_maintenance by @mephenor in #95
• IFRS: Enable DLQ (GSI-1399) by @TheByronHimes in #96
• UCS: Enable DLQ - (GSI-1398) by @TheByronHimes in #97
• IRS: Enable DLQ (GSI-1397) by @TheByronHimes in #99
• DCS: Enable the DLQ (GSI-1396) by @TheByronHimes in #98
• All: Use Standardized Event Config (GSI-1447) by @TheByronHimes in #100
• 500 Exception handler + Log traceback + Configurable HTTP timeout in DCS by @mephenor in #101
• Replace compromised tj-actions/changed-files with step-security version by @TheByronHimes in #103
• Replace outbox pub with persistent publisher (GSI-1500) by @TheByronHimes in #104
• Opentelemetry instrumentation by @mephenor in #105
• Bump EKSS to 2.1.0 by @mephenor in #106

Full Changelog: 3.0.2...4.0.0