build: support vcpkg/brew zlib-ng 2.3.3

[hyoklee]

CMake error occurs when a user installed zlib-ng 2.3.3 via vcpkg or brew and use it as zlib replacement.

CMake Error at src/CMakeLists.txt:1262 (target_link_libraries):
  Target "hdf5-static" links to:

    ZLIB::ZLIB

  but the target was not found.  Possible reasons include:

    * There is a typo in the target name.
    * A find_package call is missing for an IMPORTED target.
    * An ALIAS target is missing.



CMake Error at test/CMakeLists.txt:510 (target_link_libraries):
  Target "chunk_info" links to:

    ZLIB::ZLIB

  but the target was not found.  Possible reasons include:

    * There is a typo in the target name.
    * A find_package call is missing for an IMPORTED target.
    * An ALIAS target is missing.



CMake Error at test/CMakeLists.txt:538 (target_link_libraries):
  Target "direct_chunk" links to:

    ZLIB::ZLIB

  but the target was not found.  Possible reasons include:

    * There is a typo in the target name.
    * A find_package call is missing for an IMPORTED target.
    * An ALIAS target is missing.



CMake Error at tools/test/perform/CMakeLists.txt:130 (target_link_libraries):
  Target "zip_perf" links to:

    ZLIB::ZLIB

  but the target was not found.  Possible reasons include:

    * There is a typo in the target name.
    * A find_package call is missing for an IMPORTED target.
    * An ALIAS target is missing.



-- Generating done (40.4s)
CMake Generate step failed.  Build files cannot be regenerated correctly.

This PR fixes the above error.
Tested on Win-11/2025+VS2026 (vcpkg), Mac-12 (brew), and Ubuntu-24.04 (vcpkg)

ref: #6204

[jhendersonHDF]

I already have fixes for zlib-ng in my branch https://github.com/jhendersonHDF/hdf5/tree/cmake_filters_changes