deps: bump to polars upstream which unified string type, removing n…

…eed for smartstring dependency

Cargo.toml

@@ -166,6 +166,7 @@ polars = { version = "0.42", features = [
     "streaming",
     "timezones",
 ], optional = true }
+polars-utils = { version = "0.42.0", default-features = false, optional = true}
 pyo3 = { version = "0.22", features = [
     "auto-initialize",
     "gil-refs",
@@ -214,7 +215,6 @@ serde_json = { version = "1", features = ["preserve_order"] }
 serde_stacker = { version = "0.1", optional = true }
 serde_urlencoded = { version = "0.7", optional = true }
 simple-expand-tilde = { version = "0.4.0", optional = true }
-smartstring = { version = "1", optional = true }
 snap = "1"
 strsim = { version = "0.11", optional = true }
 strum = { version = "0.26", features = ["phf"] }
@@ -285,10 +285,10 @@ local-encoding = { git = "/~https://github.com/slonopotamus/local-encoding-rs", br
 # BUILD NOTE: Be sure to set QSV_POLARS_REV below to the latest commit short hash or tag 
 # of polars/py-polars before building qsv. This allows us to show the polars rev/tag in --version.
 # if we are using a release version of Rust Polars, leave QSV_POLARS_REV empty
-# QSV_POLARS_REV=py-1.6.0
-polars = { git = "/~https://github.com/pola-rs/polars", tag = "py-1.6.0" }
-# polars = { git = "/~https://github.com/pola-rs/polars", rev = "f0ba999" }
-
+# QSV_POLARS_REV=915f164
+# polars = { git = "/~https://github.com/pola-rs/polars", tag = "py-1.6.0" }
+polars = { git = "/~https://github.com/pola-rs/polars", rev = "915f164" }
+polars-utils = { git = "/~https://github.com/pola-rs/polars", rev = "915f164" }
 
 [features]
 default = ["mimalloc"]
@@ -345,7 +345,7 @@ python = ["pyo3"]
 to = ["csvs_convert"]
 lite = []
 datapusher_plus = ["self_update"]
-polars = ["dep:polars", "smartstring"]
+polars = ["dep:polars", "polars-utils"]
 feature_capable = []
 nightly = [
     "rand/nightly",