Go-SDK - v2.3.1

[2.3.1] - January 22, 2026

• [FSSDK-12037] Exclude CMAB experiment from UPS by @Mat001 in https://github.com/optimizely/go-sdk/pull/433
• [FSSDK-12152] Update retry logic with exponential backoff for sending events by @Mat001 in https://github.com/optimizely/go-sdk/pull/432
• [FSSDK-11733] Upgrade linteringo-sdk by @Mat001 in https://github.com/optimizely/go-sdk/pull/434

Full Changelog: https://github.com/optimizely/go-sdk/compare/v2.3.0...v2.3.1