Use non-formatting logging functions for message without formatting.
For example, `log.Info("message")` instead of `log.Infof("message")`
Configure linter for printf-like functions
* feat(infra): improved support for in-process testing
* support for killing of a running server using simulated Ctrl-C
* support for overriding os.Stdin
* migrated many tests from the exe runner to in-process runner
* added required indirection when defining Envar() so we can later override it in tests
* refactored CLI runners by moving environment overrides to CLITestEnv