* linting with new golangci-lint version
* update go to 1.18
* bump versions in drone.yml
* use new runtime/debug package for version info
* remove Commit build flag from goreleaser
* remove mock commit + version from build script
* go fmt
* add dummy version env flag to test container
* install git in golang container for testing
* only set versionString if Version is defined
tobi
tsmethurst