Update gn_version to 81b24e01531ecf0eff12ec9359a555ec3944ec4e

Change-Id: I59860801fa319f0314825ace9d50cdfb8320908d
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/136351
Commit-Queue: Lei Zhang <thestig@chromium.org>
Auto-Submit: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

DEPS

diff --git a/DEPS b/DEPS
index 180c20b..8eeaabe 100644
--- a/DEPS
+++ b/DEPS
@@ -126,7 +126,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling GN CIPD package version
   # and whatever else without interference from each other.
-  'gn_version': 'git_revision:5d0a4153b0bcc86c5a23310d5b648a587be3c56d',
+  'gn_version': 'git_revision:81b24e01531ecf0eff12ec9359a555ec3944ec4e',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling goldctl CIPD package version
   # and whatever else without interference from each other.