new module for parsing ranged suppressions (#21441)

This adds a new `suppression` module to the `ruff_linter` crate, similar
to the suppression
module for ty, to parse comments for ruff suppression directives, such
as `# ruff: disable[CODE]`.

Cargo.lock

@@ -3124,6 +3124,7 @@ dependencies = [
  "bitflags 2.10.0",
  "clap",
  "colored 3.0.0",
+ "compact_str",
  "fern",
  "glob",
  "globset",

crates/ruff_linter/Cargo.toml

@@ -35,6 +35,7 @@ anyhow = { workspace = true }
 bitflags = { workspace = true }
 clap = { workspace = true, features = ["derive", "string"], optional = true }
 colored = { workspace = true }
+compact_str = { workspace = true }
 fern = { workspace = true }
 glob = { workspace = true }
 globset = { workspace = true }

crates/ruff_linter/src/lib.rs

@@ -46,6 +46,7 @@ pub mod rule_selector;
 pub mod rules;
 pub mod settings;
 pub mod source_kind;
+pub mod suppression;
 mod text_helpers;
 pub mod upstream_categories;
 mod violation;