Auto merge of #125443 - nnethercote:rustfmt-use-decls, r=lcnr,cuviper,GuillaumeGomez

rustfmt `use` declarations

This PR implements https://github.com/rust-lang/compiler-team/issues/750, which changes how `use` declarations are formatted by adding these options to `rustfmt.toml`:
```
group_imports = "StdExternalCrate"
imports_granularity = "Module"
```

r? `@ghost`

1 files changed, 3 insertions, 2 deletions

diff --git a/compiler/rustc_query_impl/src/profiling_support.rs b/compiler/rustc_query_impl/src/profiling_support.rs
index e0d7a4f0451..599316d0cad 100644
--- a/compiler/rustc_query_impl/src/profiling_support.rs
+++ b/compiler/rustc_query_impl/src/profiling_support.rs
@@ -1,3 +1,6 @@
+use std::fmt::Debug;
+use std::io::Write;
+
 use measureme::{StringComponent, StringId};
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::profiling::SelfProfiler;
@@ -5,8 +8,6 @@ use rustc_hir::def_id::{CrateNum, DefId, DefIndex, LocalDefId, LOCAL_CRATE};
 use rustc_hir::definitions::DefPathData;
 use rustc_middle::ty::TyCtxt;
 use rustc_query_system::query::QueryCache;
-use std::fmt::Debug;
-use std::io::Write;
 
 pub(crate) struct QueryKeyStringCache {
     def_id_cache: FxHashMap<DefId, StringId>,