update to go 1.25.6

[Soph]

Entire-Checkpoint: 5c1039ad85f4

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Note

Low Risk
Low risk version bump that only updates the Go toolchain version references; main impact is potential CI/build environment compatibility with Go 1.25.6.

Overview
Updates the project’s Go toolchain version from 1.25.5 to 1.25.6 in both go.mod and mise.toml to keep local dev and build tooling aligned.

^{Written by Cursor Bugbot for commit 8c3007f. This will update automatically on new commits. Configure here.}

[Copilot]

Pull request overview

This PR updates the Go version from 1.25.5 to 1.25.6 across the project's configuration files. The change maintains consistency between the mise.toml tool configuration and the go.mod module declaration.

Changes:

• Update Go version to 1.25.6 in mise.toml and go.mod

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
mise.toml	Updates the Go tool version to 1.25.6 in the mise configuration
go.mod	Updates the Go module version directive to 1.25.6