zlib 1.3 -> 1.3.1 https://github.com/madler/zlib/releases
attrpath: zlib
Checking auto update branch...
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There might already be an open PR for this update:
- zlib: 1.3 -> 1.3.1
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/283179"
- Add OpenPrinting Printer Applications and support libraries (for PPD-less CUPS)
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/211615"