Regenerate README file - 2022-12-13 (#388)

Co-authored-by: Alain Schlesser <[email protected]>

Author: github-actions[bot]

README.md

@@ -2186,6 +2186,12 @@ wp post delete <id>... [--force] [--defer-term-counting]
     $ wp post delete 123 --force
     Success: Deleted post 123.
 
+    # Delete multiple posts
+    $ wp post delete 123 456 789
+    Success: Trashed post 123.
+    Success: Trashed post 456.
+    Success: Trashed post 789.
+
     # Delete all pages
     $ wp post delete $(wp post list --post_type='page' --format=ids)
     Success: Trashed post 1164.