chore: use rustfmt imports_granularity option (#17421)

Closes https://github.com/denoland/deno/issues/2699
Closes https://github.com/denoland/deno/issues/2347

Uses unstable rustfmt features. Since dprint invokes `rustfmt` we do not
need to switch the cargo toolchain to nightly. Do we care about
formatting stability of our codebase across Rust versions? (I don't)

3 files changed, 8 insertions, 3 deletions

diff --git a/serde_v8/magic/bytestring.rs b/serde_v8/magic/bytestring.rs
index 92a0dba40..77771698f 100644
--- a/serde_v8/magic/bytestring.rs
+++ b/serde_v8/magic/bytestring.rs
@@ -1,5 +1,6 @@
 // Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
-use super::transl8::{FromV8, ToV8};
+use super::transl8::FromV8;
+use super::transl8::ToV8;
 use crate::magic::transl8::impl_magic;
 use crate::Error;
 use smallvec::SmallVec;
diff --git a/serde_v8/magic/string_or_buffer.rs b/serde_v8/magic/string_or_buffer.rs
index e3347255e..b7f6724b8 100644
--- a/serde_v8/magic/string_or_buffer.rs
+++ b/serde_v8/magic/string_or_buffer.rs
@@ -1,6 +1,7 @@
 // Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
 use super::buffer::ZeroCopyBuf;
-use super::transl8::{FromV8, ToV8};
+use super::transl8::FromV8;
+use super::transl8::ToV8;
 use crate::magic::transl8::impl_magic;
 use crate::Error;
 use std::ops::Deref;
diff --git a/serde_v8/magic/u16string.rs b/serde_v8/magic/u16string.rs
index 11554738a..57e3fd0f6 100644
--- a/serde_v8/magic/u16string.rs
+++ b/serde_v8/magic/u16string.rs
@@ -2,7 +2,10 @@
 
 use crate::Error;
 
-use super::transl8::{impl_magic, impl_wrapper, FromV8, ToV8};
+use super::transl8::impl_magic;
+use super::transl8::impl_wrapper;
+use super::transl8::FromV8;
+use super::transl8::ToV8;
 
 impl_wrapper!(
   pub struct U16String(Vec<u16>);