benchmark: apply suggestions from code review

Author: KhafraDev

doc/api/buffer.md

@@ -5056,7 +5056,7 @@ added:
   - v18.13.0
 changes:
   - version: REPLACEME
-    pr-url: https://github.com/nodejs/node/pull/00000
+    pr-url: https://github.com/nodejs/node/pull/47153
     description: No longer experimental.
 -->
 

doc/api/globals.md

@@ -477,9 +477,7 @@ A browser-compatible implementation of the [`fetch()`][] function.
 ## Class: `File`
 
 <!-- YAML
-added:
-  - v19.2.0
-  - v18.13.0
+added: REPLACEME
 -->
 
 <!-- type=global -->