Polars AWS S3 support (#14648)

# Description

Provides Amazon S3 support.

- Utilizes your existing AWS cli configuration. 
- Supports AWS SSO
- Supports
[gimme-aws-creds](https://github.com/Nike-Inc/gimme-aws-creds).
- respects the settings of AWS_PROFILE environment variable for
selecting profile config
- AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, and AWS_REGION environment
variables for configuring without an AWS config

Usage:
```nushell
polars open s3://bucket/and/path.parquet
```

Supports:
- CSV
- Parquet
- NDJSON / json lines
- Arrow

Doesn't support:
- eager dataframes
-  Avro
- JSON

crates/nu_plugin_polars/src/cache/rm.rs

@@ -89,7 +89,7 @@ mod test {
 
     #[test]
     fn test_remove() -> Result<(), ShellError> {
-        let plugin = PolarsPlugin::new_test_mode().into();
+        let plugin = PolarsPlugin::new_test_mode()?.into();
         let pipeline_data = PluginTest::new("polars", plugin)?
             .add_decl(Box::new(First))?
             .add_decl(Box::new(Get))?