feat: update dependencies and bump go version (#26) * feat: bump to a supported go version * feat: replace godirwalk with upstream walkdir function WalkDir avoids calling os.Lstat on every visited file or directory and was introduced in go 1.16 * feat: replace pkgerr with upstream embed package go 1.16 added the new embed package and pkger is archived * feat: bump dependencies * lint: regenerate notice file * ci: do not install pkger we are not using it anymore * ci: checkout repo before setting up go * fix: do not copy transport locks assignment copies lock value to transport: net/http.Transport contains sync.Mutex * feat: replace deprecated ioutil calls * feat: inline funcitons