upgrade mongo driver to 1.11 (#19954)

* upgrade mongo driver to 1.11

* add changelog

* fix failing test comparison

* ignore http.Transport

plugins/database/mongodb/mongodb_test.go

@@ -8,6 +8,7 @@ import (
 	"crypto/tls"
 	"crypto/x509"
 	"fmt"
+	"net/http"
 	"reflect"
 	"strings"
 	"sync"
@@ -385,6 +386,8 @@ func appendToCertPool(t *testing.T, pool *x509.CertPool, caPem []byte) *x509.Cer
 }
 
 var cmpClientOptionsOpts = cmp.Options{
+	cmpopts.IgnoreTypes(http.Transport{}),
+
 	cmp.AllowUnexported(options.ClientOptions{}),
 
 	cmp.AllowUnexported(tls.Config{}),