build: adopt Go 1.24 as bootstrap toolchain for Go 1.26

[dmitshur]

This is the tracking issue for the Go 1.26 iteration of proposal #54265.

[gabyhelp]

Related Issues and Documentation

• build: adopt Go 1.22 as bootstrap toolchain for Go 1.24 #64751

_{(Emoji vote if this was helpful or unhelpful; more detailed feedback welcome in this discussion.)}

[gopherbot]

This issue is currently labeled as early-in-cycle for Go 1.26.
That time is now, so a friendly reminder to look at it again.

[gopherbot]

Change https://go.dev/cl/694515 mentions this issue: main.star: use Go 1.24.6 as bootstrap on tip (Go 1.26 to be)

[gopherbot]

Change https://go.dev/cl/694535 mentions this issue: cmd/dist: require Go 1.24.6 as minimum bootstrap toolchain

[gopherbot]

Change https://go.dev/cl/694935 mentions this issue: dashboard: update bootstrap Go version to 1.24.6