chore(rust): default to rust native flate2 lib (#10733)

crates/polars-io/Cargo.toml

@@ -23,7 +23,7 @@ bytes = { version = "1.3" }
 chrono = { workspace = true, optional = true }
 chrono-tz = { workspace = true, optional = true }
 fast-float = { version = "0.2", optional = true }
-flate2 = { version = "1", features = ["zlib-ng"], optional = true, default-features = false }
+flate2 = { version = "1", optional = true, default-features = false }
 futures = { workspace = true, optional = true }
 lexical = { version = "6", optional = true, default-features = false, features = ["std", "parse-integers"] }
 lexical-core = { version = "0.8", optional = true }
@@ -48,6 +48,7 @@ home = "0.5.4"
 tempdir = "0.3.7"
 
 [features]
+default = ["decompress"]
 # support for arrows json parsing
 json = [
   "arrow/io_json_write",
@@ -66,7 +67,7 @@ ipc_streaming = ["arrow/io_ipc", "arrow/io_ipc_compression"]
 # support for arrow avro parsing
 avro = ["arrow/io_avro", "arrow/io_avro_compression"]
 csv = ["memmap", "lexical", "polars-core/rows", "lexical-core", "fast-float", "simdutf8"]
-decompress = ["flate2/miniz_oxide"]
+decompress = ["flate2/rust_backend"]
 decompress-fast = ["flate2/zlib-ng"]
 dtype-categorical = ["polars-core/dtype-categorical"]
 dtype-date = ["polars-core/dtype-date", "polars-time/dtype-date"]

py-polars/Cargo.toml

@@ -115,7 +115,7 @@ nightly = ["polars/nightly"]
 streaming = ["polars/streaming"]
 meta = ["polars/meta"]
 search_sorted = ["polars/search_sorted"]
-decompress = ["polars/decompress"]
+decompress = ["polars/decompress-fast"]
 lazy_regex = ["polars/lazy_regex"]
 csv = ["polars/csv"]
 object = ["polars/object"]