Roll third_party/zlib/ 2c183c9f9..348acca95 (3 commits)

https://chromium.googlesource.com/chromium/src/third_party/zlib.git/+log/2c183c9f93a3..348acca950b1

Created with:
  roll-dep third_party/zlib

Change-Id: I994f54363b7b95d77d47e4bb3ed21b864ab82949
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/78410
Reviewed-by: Wei Li <weili@chromium.org>
Commit-Queue: Hui Yingst <nigi@chromium.org>
diff --git a/DEPS b/DEPS
index dbd7158..acc5f7e 100644
--- a/DEPS
+++ b/DEPS
@@ -109,7 +109,7 @@
   # 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': '2c183c9f93a328bfb3121284da13cf89a0f7e64a',
+  'zlib_revision': '348acca950b1d6de784a954f4fda0952046c652c',
 }
 
 deps = {