Use zlib v1.2.12 with GitHub source (#2300)

Summary: Pull Request resolved: https://github.com/pytorch/audio/pull/2300

Reviewed By: xiaohui-zhang

Differential Revision: D35258323

Pulled By: nateanl

fbshipit-source-id: 4b9f86600399ba0f5ec47f1c402968a812aa557d

third_party/zlib/CMakeLists.txt

@@ -22,8 +22,8 @@ set(
 ExternalProject_Add(zlib-
   PREFIX ${CMAKE_CURRENT_BINARY_DIR}
   DOWNLOAD_DIR ${ARCHIVE_DIR}
-  URL https://sourceforge.net/projects/libpng/files/zlib/1.2.11/zlib-1.2.11.tar.gz
-  URL_HASH SHA256=c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1
+  URL https://github.com/madler/zlib/archive/refs/tags/v1.2.12.tar.gz
+  URL_HASH SHA256=d8688496ea40fb61787500e863cc63c9afcbc524468cedeb478068924eb54932
   BUILD_BYPRODUCTS ${ZLIB_LIBRARIES}
   CONFIGURE_COMMAND ${CMAKE_COMMAND} -E env ${envs} ${CMAKE_CURRENT_BINARY_DIR}/src/zlib-/configure --static
   BUILD_COMMAND ${CMAKE_COMMAND} -E env ${envs} make VERBOSE=1