feat: Honor recursion limit configuration

This patch makes RA understand `#![recursion_limit = "N"]` annotations.

- `crate_limits` query is moved to `DefDatabase`
- `DefMap` now has `recursion_limit: Option<u32>` field

crates/hir_expand/src/name.rs

@@ -270,6 +270,7 @@ pub mod known {
         global_allocator,
         test,
         test_case,
+        recursion_limit,
         // Safe intrinsics
         abort,
         add_with_overflow,