docs: default value for the --pool CLI option (#7038)

Author: austinhnelson

docs/guide/cli-generated.md

@@ -395,7 +395,7 @@ Should browser test files run in parallel. Use `--browser.fileParallelism=false`
 - **CLI:** `--pool <pool>`
 - **Config:** [pool](/config/#pool)
 
-Specify pool, if not running in the browser (default: `threads`)
+Specify pool, if not running in the browser (default: `forks`)
 
 ### poolOptions.threads.isolate
 

packages/vitest/src/node/cli/cli-config.ts

@@ -420,7 +420,7 @@ export const cliOptionsConfig: VitestCLIOptions = {
   },
   pool: {
     description:
-      'Specify pool, if not running in the browser (default: `threads`)',
+      'Specify pool, if not running in the browser (default: `forks`)',
     argument: '<pool>',
     subcommands: null, // don't support custom objects
   },