* Fix the intermittent TestGPGGit failures
Reattempt to open the listener if the port is busy with a delay up to a second
Switch from generating a private key each time, just use a known good key
* Migrate to go modules
* make vendor
* Update mvdan.cc/xurls
* make vendor
* Update code.gitea.io/git
* make fmt-check
* Update github.com/go-sql-driver/mysql
* make vendor