fix: Address PR review feedback

* Make verbosity specification into an `else if`
* Remove the poorly implemented lock around SetLogLevel()

cmd/root.go

@@ -21,8 +21,7 @@ Vulnbot empowers developers and security teams to efficiently manage and respond
 
 		if quiet == true {
 			logger.SetLogLevel(zerolog.Disabled)
-		}
-		if verbosity > 0 {
+		} else if verbosity > 0 {
 			if verbosity > 3 {
 				verbosity = 3
 			}

logger/logger.go

@@ -14,7 +14,6 @@ import (
 
 const DEFAULT_LOG_LEVEL = zerolog.WarnLevel
 
-var lock = sync.Mutex{}
 var log zerolog.Logger
 var once sync.Once
 
@@ -38,10 +37,8 @@ func Get() zerolog.Logger {
 }
 
 func SetLogLevel(logLevel zerolog.Level) zerolog.Logger {
-	lock.Lock()
 	log := Get()
 	zerolog.SetGlobalLevel(logLevel)
 	log = log.Level(logLevel)
-	lock.Unlock()
 	return log
 }