blog: fix indentation

Author: maclover7

locale/en/blog/release/v8.8.1.md

@@ -13,7 +13,7 @@ author: Colin Ihrig
   * **net**:
     - Fix timeout with null handle issue. This is a regression in Node 8.8.0 [#16489](https://github.com/nodejs/node/pull/16489)
 
-  ### Commits
+### Commits
 
   * [[`db8c92fb42`](https://github.com/nodejs/node/commit/db8c92fb42)] - **doc**: fix spelling in v8.8.0 changelog (Myles Borins) [#16477](https://github.com/nodejs/node/pull/16477)
   * [[`c8396b8370`](https://github.com/nodejs/node/commit/c8396b8370)] - **doc**: remove loader hooks from unsupported features (Teppei Sato) [#16465](https://github.com/nodejs/node/pull/16465)