always run clean install - closes #305 (#307)

Co-authored-by: Rich Harris <[email protected]>

Author: Rich-Harris

scripts/create-common-bundle/index.js

@@ -7,9 +7,7 @@ import { execSync } from 'child_process';
 
 const cwd = 'content/tutorial/common';
 
-if (!fs.existsSync(`${cwd}/node_modules`)) {
-	execSync('npm ci', { cwd });
-}
+execSync('npm ci', { cwd });
 
 const zip = new AdmZip();