all: update go directive to 1.18

Done with:

go get go@1.18
go mod tidy
go fix ./...

Using go1.21.3.

For golang/go#60268.

Change-Id: Iffde5a8298df8aa6c9ae17c73016e0669bba725d
Reviewed-on: https://go-review.googlesource.com/c/tour/+/534735
Run-TryBot: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Commit-Queue: Dmitri Shuralyov <dmitshur@google.com>
1 file changed
tree: 0353079d012988a81ab4949319f8ba3edc53ba19
  1. pic/
  2. reader/
  3. tree/
  4. tutorial/
  5. wc/
  6. codereview.cfg
  7. CONTRIBUTING.md
  8. go.mod
  9. LICENSE
  10. README.md
README.md

Go Tour

The actual web pages for “A Tour of Go” moved to golang.org/x/website.

This repo still holds the supporting packages like golang.org/x/tour/pic.