Roll third_party/zlib/ f4f46747b..f262c1b3c (5 commits)

https://chromium.googlesource.com/chromium/src/third_party/zlib.git/+log/f4f46747bd5c..f262c1b3c419

Created with:
  roll-dep third_party/zlib

TBR=tsepez@chromium.org

Change-Id: If87dcc8b9259240bd0627560b2e9db4150fd1117
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/63332
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index 3693caf..3c842f4 100644
--- a/DEPS
+++ b/DEPS
@@ -33,7 +33,7 @@
   'trace_event_revision': '5e4fce17a9d2439c44a7b57ceecef6df9287ec2f',
   'v8_revision': 'a423bb8be61832d0349150cb286fcadeb65192fc',
   'yasm_source_revision': '720b70524a4424b15fc57e82263568c8ba0496ad',
-  'zlib_revision': 'f4f46747bd5c68320126fea54d6993ae0b5c3edd',
+  'zlib_revision': 'f262c1b3c4196a2fee98c113142faff525b8d884',
 }
 
 deps = {