Build/Test Tools: Update Docker Compose to v2 for 5.8 branch.

This updates an instance of `docker-compose` in the `env:start` script to use the new `docker compose` format that was missed in the initial commit.

Follow up to [58597].
See #60901.

git-svn-id: https://develop.svn.wordpress.org/branches/5.8@59211 602fd350-edb4-49c9-b593-d223f7449a82

tools/local-env/scripts/start.js

@@ -8,7 +8,7 @@ dotenvExpand( dotenv.config() );
 const containers = ( process.env.LOCAL_PHP_MEMCACHED === 'true' )
 	? 'wordpress-develop memcached'
 	: 'wordpress-develop';
-execSync( `docker-compose up -d -- ${containers}`, { stdio: 'inherit' } );
+execSync( `docker compose up -d -- ${containers}`, { stdio: 'inherit' } );
 
 // If Docker Toolbox is being used, we need to manually forward LOCAL_PORT to the Docker VM.
 if ( process.env.DOCKER_TOOLBOX_INSTALL_PATH ) {