editorconfig-core-go made breaking api changes and has recently released
v2.1.1. This change consumes the new api and fixes up any breaking
references.
* 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