deps: bump to polars 0.45.1 at py-1.21.0 tag

Cargo.toml

@@ -345,11 +345,11 @@ textwrap = { git = "https://github.com/mgeisler/textwrap", rev = "0e581b8" }
 #     (e.g. py-1.19.0:52ea381 to indicate that we are Python Polars 1.19.0,
 #      and the commit hash 52ea381)
 # ================================
-# QSV_POLARS_REV=py-1.20.0:e98e09b
-# polars = { git = "https://github.com/pola-rs/polars", tag = "py-1.20.0" }
-polars = { git = "https://github.com/pola-rs/polars", rev = "e98e09b" }
-# polars-ops = { git = "https://github.com/pola-rs/polars", tag = "py-1.20.0" }
-polars-ops = { git = "https://github.com/pola-rs/polars", rev = "e98e09b" }
+# QSV_POLARS_REV=py-1.21.0
+polars = { git = "https://github.com/pola-rs/polars", tag = "py-1.21.0" }
+# polars = { git = "https://github.com/pola-rs/polars", rev = "e98e09b" }
+polars-ops = { git = "https://github.com/pola-rs/polars", tag = "py-1.21.0" }
+# polars-ops = { git = "https://github.com/pola-rs/polars", rev = "e98e09b" }
 
 [features]
 default = ["mimalloc"]

README.md

@@ -100,7 +100,7 @@
 😣: uses additional memory proportional to the cardinality of the columns in the CSV.  
 🧠: expensive operations are memoized with available inter-session Redis/Disk caching for fetch commands.  
 🗄️: [Extended input support](#extended-input-support).  
-🐻‍❄️: command powered by [![polars 0.45.1](https://img.shields.io/badge/polars-0.45.1-blue) at the py-1.20.0 release tag](https://github.com/pola-rs/polars/releases/tag/py-1.20.0).  
+🐻‍❄️: command powered by [![polars 0.45.1](https://img.shields.io/badge/polars-0.45.1-blue) at the py-1.21.0 release tag](https://github.com/pola-rs/polars/releases/tag/py-1.21.0).  
 🤖: command uses Natural Language Processing & General AI techniques.  
 🏎️: multithreaded and/or faster when an index (📇) is available.  
 🚀: multithreaded even without an index.