testing v3.8 build time on runner

docusaurus.config.ts

@@ -14,6 +14,7 @@ const baseUrl = '/';
 
 const config: Config = {
   future: {
+    v4: true,
     experimental_faster: {
       swcJsLoader: true,
       swcJsMinimizer: true,
@@ -21,6 +22,8 @@ const config: Config = {
       lightningCssMinimizer: true,
       rspackBundler: true,
       mdxCrossCompilerCache: true,
+      rspackPersistentCache: true,
+      ssgWorkerThreads: true,
     },
   },
   title: 'SailPoint Developer Community',