add conventional xml.etree.ElementTree import alias (#12455)

Author: edhinard

crates/ruff/tests/snapshots/show_settings__display_default_settings.snap

@@ -260,6 +260,7 @@ linter.flake8_import_conventions.aliases = {
 	seaborn = sns,
 	tensorflow = tf,
 	tkinter = tk,
+	xml.etree.ElementTree = ET,
 }
 linter.flake8_import_conventions.banned_aliases = {}
 linter.flake8_import_conventions.banned_from = []

crates/ruff_linter/src/rules/flake8_import_conventions/settings.rs

@@ -24,6 +24,7 @@ const CONVENTIONAL_ALIASES: &[(&str, &str)] = &[
     ("plotly.express", "px"),
     ("polars", "pl"),
     ("pyarrow", "pa"),
+    ("xml.etree.ElementTree", "ET"),
 ];
 
 #[derive(Debug, Default, Clone, PartialEq, Eq, Serialize, Deserialize, CacheKey)]

crates/ruff_workspace/src/options.rs

@@ -1306,7 +1306,7 @@ pub struct Flake8ImportConventionsOptions {
     /// The conventional aliases for imports. These aliases can be extended by
     /// the [`extend-aliases`](#lint_flake8-import-conventions_extend-aliases) option.
     #[option(
-        default = r#"{"altair": "alt", "matplotlib": "mpl", "matplotlib.pyplot": "plt", "numpy": "np", "pandas": "pd", "seaborn": "sns", "tensorflow": "tf", "tkinter":  "tk", "holoviews": "hv", "panel": "pn", "plotly.express": "px", "polars": "pl", "pyarrow": "pa"}"#,
+        default = r#"{"altair": "alt", "matplotlib": "mpl", "matplotlib.pyplot": "plt", "numpy": "np", "pandas": "pd", "seaborn": "sns", "tensorflow": "tf", "tkinter":  "tk", "holoviews": "hv", "panel": "pn", "plotly.express": "px", "polars": "pl", "pyarrow": "pa", "xml.etree.ElementTree": "ET"}"#,
         value_type = "dict[str, str]",
         scope = "aliases",
         example = r#"