Move Ranged into ruff_text_size (#6919)

## Summary

The motivation here is that this enables us to implement `Ranged` in
crates that don't depend on `ruff_python_ast`.

Largely a mechanical refactor with a lot of regex, Clippy help, and
manual fixups.

## Test Plan

`cargo test`

crates/ruff_python_index/src/comment_ranges.rs

@@ -3,7 +3,7 @@ use std::fmt::{Debug, Formatter};
 use std::ops::Deref;
 
 use ruff_python_parser::Tok;
-use ruff_text_size::TextRange;
+use ruff_text_size::{Ranged, TextRange};
 
 /// Stores the ranges of comments sorted by [`TextRange::start`] in increasing order. No two ranges are overlapping.
 #[derive(Clone)]

crates/ruff_python_index/src/indexer.rs

@@ -1,14 +1,14 @@
 //! Struct used to index source code, to enable efficient lookup of tokens that
 //! are omitted from the AST (e.g., commented lines).
 
-use ruff_python_ast::{Ranged, Stmt};
+use ruff_python_ast::Stmt;
 use ruff_python_parser::lexer::LexResult;
 use ruff_python_parser::{StringKind, Tok};
 use ruff_python_trivia::{has_leading_content, has_trailing_content, is_python_whitespace};
-use ruff_text_size::{TextRange, TextSize};
+use ruff_source_file::Locator;
+use ruff_text_size::{Ranged, TextRange, TextSize};
 
 use super::comment_ranges::{CommentRanges, CommentRangesBuilder};
-use ruff_source_file::Locator;
 
 pub struct Indexer {
     comment_ranges: CommentRanges,
@@ -276,10 +276,10 @@ impl Indexer {
 mod tests {
     use ruff_python_parser::lexer::LexResult;
     use ruff_python_parser::{lexer, Mode};
+    use ruff_source_file::Locator;
     use ruff_text_size::{TextRange, TextSize};
 
     use crate::Indexer;
-    use ruff_source_file::Locator;
 
     #[test]
     fn continuation() {