Auto merge of rust-lang#18336 - xuwaters:patch-1, r=lnicola

Fix: Increase TOKEN_LIMIT in hir-expand

Due to the `TOKEN_LIMIT`, rust-analyzer failed to expand macro for `web-sys::WebGl2RenderingContext` https://github.com/rustwasm/wasm-bindgen/blob/main/crates/web-sys/src/features/gen_WebGl2RenderingContext.rs

<img width="780" alt="image" src="https://github.com/user-attachments/assets/3a39f18e-656e-43df-9994-0a0179fa42ac">
<img width="403" alt="image" src="https://github.com/user-attachments/assets/7ae8dcf9-a40a-4070-8623-dd3a953bbf45">

After increasing the `TOKEN_LIMIT`, the `web-sys::WebGl2RenderingContext` can be expanded successfully:
<img width="459" alt="image" src="https://github.com/user-attachments/assets/76a71763-05a5-4f14-a5c9-61fc190c668f">

Author: bors

src/tools/rust-analyzer/crates/hir-expand/src/db.rs

@@ -35,7 +35,7 @@ type MacroArgResult = (Arc<tt::Subtree>, SyntaxFixupUndoInfo, Span);
 /// an error will be emitted.
 ///
 /// Actual max for `analysis-stats .` at some point: 30672.
-static TOKEN_LIMIT: Limit = Limit::new(1_048_576);
+static TOKEN_LIMIT: Limit = Limit::new(2_097_152);
 
 #[derive(Debug, Clone, Eq, PartialEq)]
 pub enum TokenExpander {