Replace format! with format_args! when `MSRV` >= 1.89.0

[CrazyboyQCD]

As storing format_args!() in a variable is stabilized in 1.89.0, these can be changed.

gpu-allocator/src/allocator/dedicated_block_allocator/mod.rs

Lines 105 to 118 in 673e4ec

	let backtrace_info;
	#[cfg(feature = "std")]
	{
	// TODO: Allocation could be avoided here if https://github.com/rust-lang/rust/pull/139135 is merged and stabilized.
	backtrace_info = format!(
	",
	backtrace: {}",
	self.backtrace
	)
	}
	#[cfg(not(feature = "std"))]
	{
	backtrace_info = ""
	}

gpu-allocator/src/allocator/free_list_allocator/mod.rs

Lines 381 to 394 in 673e4ec

	let backtrace_info;
	#[cfg(feature = "std")]
	{
	// TODO: Allocation could be avoided here if https://github.com/rust-lang/rust/pull/139135 is merged and stabilized.
	backtrace_info = format!(
	",
	backtrace: {}",
	chunk.backtrace
	)
	}
	#[cfg(not(feature = "std"))]
	{
	backtrace_info = ""
	}