fix comments

packages/next/scripts/make.ts

@@ -24,7 +24,7 @@ async function main () {
   await fs.writeFile(
     buildPath('theme.json'),
     JSON.stringify(
-      yaml.safeLoad(await fs.readFile(srcPath(THEME_FILENAME), 'utf8'))
+      yaml.load(await fs.readFile(srcPath(THEME_FILENAME), 'utf8'))
     )
   )
 
@@ -40,7 +40,7 @@ async function main () {
   await Promise.all(
     files.map(async (f) => {
       const header = zMatter.parse(
-        yaml.safeLoad(
+        yaml.load(
           fs.readFileSync(srcPath('_post', f), 'utf-8').split(/\n---\n/)[0]
         )
       )