book: update nl

Updated via the `update-book.yml` GitHub workflow.

Author: ttaylorr

external/book/content/book/nl/v2/_index.html

@@ -8,7 +8,7 @@
   language_code: nl
   front_page: true
   repository_url: https://github.com/progit/progit2-nl
-  sha: 5ab58d95a679160885bcb6f92dd7dbc8c8a99eea
+  sha: 7d2972ad4b377480045e55d398eefe31b340c78e
 page_title: Git - Book
 url: "/book/nl/v2.html"
 aliases:

external/book/sync/book-nl.sha

@@ -1 +1 @@
-5ab58d95a679160885bcb6f92dd7dbc8c8a99eea
+7d2972ad4b377480045e55d398eefe31b340c78e