Build against system-provided zlib library.

--- a/duckscript_sdk/Cargo.toml
+++ b/duckscript_sdk/Cargo.toml
@@ -24,7 +24,7 @@
 
 [dependencies]
 attohttpc = { version = "^0.25", default-features = false, features = [
-  "compress",
+  "compress-zlib",
 ] }
 base64 = "^0.21"
 cfg-if = "^1"
@@ -47,7 +47,7 @@
 walkdir = "^2"
 which = { version = "^4", default-features = false }
 whoami = "^1"
-zip = { version = "^0.6", default-features = false, features = ["bzip2", "deflate", "time"] }
+zip = { version = "^0.6", default-features = false, features = ["bzip2", "deflate-zlib", "time"] }
 
 [target.'cfg(not(windows))'.dependencies]
 uname = "^0.1"
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -457,6 +457,7 @@
 checksum = "a8a2db397cb1c8772f31494cb8917e48cd1e64f0fa7efac59fbd741a0a8ce841"
 dependencies = [
  "crc32fast",
+ "libz-sys",
  "miniz_oxide",
 ]
 
@@ -727,6 +728,17 @@
 version = "0.2.142"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a987beff54b60ffa6d51982e1aa1146bc42f19bd26be28b0586f252fccf5317"
+
+[[package]]
+name = "libz-sys"
+version = "1.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56ee889ecc9568871456d42f603d6a0ce59ff328d291063a45cbdf0036baf6db"
+dependencies = [
+ "cc",
+ "pkg-config",
+ "vcpkg",
+]
 
 [[package]]
 name = "link-cplusplus"