Update gn_version to 31f2bba8aafa8015ca5761100a21f17c2d741062

Change-Id: I9c4b3c42181dab1bc34b8bb737aab776af68b820
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/82960
Auto-Submit: Daniel Hosseinian <dhoss@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index 37ee8a7..1939804 100644
--- a/DEPS
+++ b/DEPS
@@ -65,7 +65,7 @@
   # 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:695504d72a30e0b58705b2a1a23964ebf7bca030',
+  'gn_version': 'git_revision:31f2bba8aafa8015ca5761100a21f17c2d741062',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling gtest
   # and whatever else without interference from each other.