Add ext-zstd for Windows

config/pkg/ext/ext-zstd.yml

@@ -11,5 +11,8 @@ ext-zstd:
       license: MIT
   depends:
     - zstd
+  suggests:
+    - ext-apcu
   php-extension:
     arg-type: '--enable-zstd --with-libzstd=@build_root_path@'
+    arg-type@windows: '--enable-zstd'

config/pkg/lib/zstd.yml

@@ -18,4 +18,4 @@ zstd:
   static-libs@unix:
     - libzstd.a
   static-libs@windows:
-    - zstd_static.lib
+    - zstd.lib