Revert "Maybe zlib doesn't work."

This reverts commit 44f88b3.

Author: fire

.github/workflows/build.yml

@@ -208,7 +208,7 @@ jobs:
 
       - name: Conan install
         run: |
-          conan install . -i build -s build_type=Release --build fmt --build libiconv --build=libxml2 --build=bzip
+          conan install . -i build -s build_type=Release --build fmt --build libiconv --build=libxml2 --build=zlib --build=bzip
         shell: bash
 
       - name: Conan build