[issue-477] Allow unprefixed go versions

[CelianR]

Fixes #477.

This allows .go-version files to not have the go prefix. Now it is possible to have a .go-version file containing 1.22.8.

Discussion:

When .go-version file contains go version without go (e.g. 1.22, instead of go1.22), cd-ing into this directory prints error Unrecognized command line argument: '' We should consider allowing version without the prefix go in the regex

[ericywl]

Any updates on this PR?

[cndoit18]

This repository hasn't been updated for a long time. I have maintained a forked version myself gvm. You can try this one.