fix: use crypto/rand instead of math/rand on tests

middleware/limiter/limiter_test.go

@@ -1,8 +1,9 @@
 package limiter
 
 import (
+	"crypto/rand"
 	"io"
-	"math/rand"
+	"math/big"
 	"net/http/httptest"
 	"sync"
 	"testing"
@@ -19,11 +20,13 @@ import (
 func Test_Limiter_With_Max_Calculator(t *testing.T) {
 	t.Parallel()
 	app := fiber.New()
-	max := rand.Intn(10)
+	max, err := rand.Int(rand.Reader, big.NewInt(10))
+
+	require.NoError(t, err)
 
 	app.Use(New(Config{
 		MaxCalculator: func(_ fiber.Ctx) int {
-			return max
+			return int(max.Int64())
 		},
 		Expiration: 2 * time.Second,
 		Storage:    memory.New(),
@@ -35,7 +38,7 @@ func Test_Limiter_With_Max_Calculator(t *testing.T) {
 
 	var wg sync.WaitGroup
 
-	for i := 0; i <= max-1; i++ {
+	for i := 0; i <= int(max.Int64())-1; i++ {
 		wg.Add(1)
 		go func(wg *sync.WaitGroup) {
 			defer wg.Done()