print location of log file (#2343)

## Does this PR need a docs update or release note?

- [x] ⛔ No 

## Type of change

- [x] 🧹 Tech Debt/Cleanup

## Issue(s)

* #2329

## Test Plan

- [x] 💪 Manual

src/pkg/logger/logger.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/alcionai/clues"
+	"github.com/alcionai/corso/src/cli/print"
 	"github.com/spf13/cobra"
 	"github.com/spf13/pflag"
 	"go.uber.org/zap"
@@ -118,6 +119,7 @@ func PreloadLoggingFlags() (string, string) {
 
 	if logfile != "stdout" && logfile != "stderr" {
 		logdir := filepath.Dir(logfile)
+		print.Info(context.Background(), "Logging to file: "+logfile)
 
 		err := os.MkdirAll(logdir, 0o755)
 		if err != nil {