Update version to v1.11.8

Author: matthewdale

mongo/integration/load_balancer_prose_test.go

@@ -16,6 +16,8 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/internal/assert"
+	"go.mongodb.org/mongo-driver/internal/require"
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/integration/mtest"
 	"go.mongodb.org/mongo-driver/mongo/options"

version/version.go

@@ -8,4 +8,4 @@
 package version // import "go.mongodb.org/mongo-driver/version"
 
 // Driver is the current version of the driver.
-var Driver = "v1.11.8-prerelease"
+var Driver = "v1.11.8"