doc/editors.html: update VS Code Go extension url
doc/editors.html: update VS Code Go extension url

Change-Id: I7aa73861de053db6b424f113733de9caba19145b
Reviewed-on: https://go-review.googlesource.com/c/go/+/241086
Reviewed-by: Andrew Bonventre <682ad9f487f614f19e8b7cc5d340bdc8e1c1b128@golang.org>

golang/go,cloudflare/go,CAFxX/go,nawawi/go,golang/go,cloudflare/go,cloudflare/go,nawawi/go,CAFxX/go,CAFxX/go,golang/go,nawawi/go,nawawi/go,cloudflare/go,golang/go,cloudflare/go,CAFxX/go,cloudflare/go,golang/go,nawawi/go,cloudflare/go,nawawi/go,golang/go,golang/go,CAFxX/go,CAFxX/go,CAFxX/go,golang/go,nawawi/go,nawawi/go,cloudflare/go,CAFxX/go