Roll Zlib from 3787595bbbd3 to c5bf1b566e5d (4 revisions)

https://chromium.googlesource.com/chromium/src/third_party/zlib.git/+log/3787595bbbd3..c5bf1b566e5d

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/zlib-pdfium
Please CC pdfium-reviews+autoroller@googlegroups.com,thestig@chromium.org on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Bug: None
Tbr: pdfium-reviews+autoroller@googlegroups.com
Change-Id: I511111172b15db8771a31c0063ce31e830a56e89
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/117358
Bot-Commit: pdfium-autoroll <pdfium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: pdfium-autoroll <pdfium-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 4f108b7..c3d6ef2 100644
--- a/DEPS
+++ b/DEPS
@@ -203,7 +203,7 @@
   # 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': '3787595bbbd3a374613713164db935e8331f5825',
+  'zlib_revision': 'c5bf1b566e5df14e763507e2ce30cbfebefeeccf',
 }
 
 # Only these hosts are allowed for dependencies in this DEPS file.