devel/go-tools: update to 0.37.0
godoc has been removed, use new port net/pkgsite as a replacement.
Selected upstream changes:
- internal/stdlib: update stdlib index for Go 1.25.0
- godoc,cmd/godoc: delete
- x/tools: assume go1.24 and simplify
- cmd/goimports: add counter (telemetry)
Changelog: https://github.com/golang/tools/compare/v0.36.0...v0.37.0