internal/gophers: update my email address

[crawford]

I'm not sure how this address was originally scraped, but I'd prefer the alternate instead.

[google-cla]

Thanks for your pull request! It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.

[crawford]

I can't sign that CLA because I don't have a Google account. I'd like this address updated or removed entirely, please.

[crawford]

Bump. This has been open for two months now. /cc @bradfitz @rsc @robpike

[ianlancetaylor]

We don't use pull requests except as copied into Gerrit. Hardly anybody sees them.

I copied this into https://go.dev/cl/607655.