Roll third_party/zlib/ 7492de9a5..d53accfbd (2 commits)

https://chromium.googlesource.com/chromium/src/third_party/zlib.git/+log/7492de9a52f6..d53accfbd038

Created with:
  roll-dep third_party/zlib

TBR=thestig@chromium.org

Change-Id: I666de2e5912f40ffa865d69525c7c40c236f6dfb
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/73272
Reviewed-by: Daniel Hosseinian <dhoss@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Daniel Hosseinian <dhoss@chromium.org>
diff --git a/DEPS b/DEPS
index 206905a..a7a3d6b 100644
--- a/DEPS
+++ b/DEPS
@@ -115,7 +115,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling zlib
   # and whatever else without interference from each other.
-  'zlib_revision': '7492de9a52f656b070f41968e39a6efa603590d5',
+  'zlib_revision': 'd53accfbd0382a98ad7378045631866449b5f92e',
 }
 
 deps = {