Update to Go 1.27

[akrem-chabchoub]

Summary

Upgrade bee from Go 1.26 to Go 1.27 once it is released in August 2026. Go 1.27 brings generic methods, faster small allocations, a goroutine leak profiler, and a new encoding/json implementation behind the existing v1 API.

Motivation

Staying on a supported Go release keeps CI, Docker builds, and dependencies healthy. For

Implementation

Target August 2026, after Go 1.27 is officially out and golang:1.27 images exist.

Reference: https://go.dev/doc/go1.27
Current version: go 1.26 in go.mod

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