Add testifylint to lint checks (#4535)

go-require lint is ignored for now

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/4535
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Co-authored-by: TheFox0x7 <thefox0x7@gmail.com>
Co-committed-by: TheFox0x7 <thefox0x7@gmail.com>

modules/auth/pam/pam_test.go

@@ -9,11 +9,12 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestPamAuth(t *testing.T) {
 	result, err := Auth("gitea", "user1", "false-pwd")
-	assert.Error(t, err)
+	require.Error(t, err)
 	assert.EqualError(t, err, "Authentication failure")
 	assert.Len(t, result, 0)
 }