Apply pinned upstream Rust formatting

Signed-off-by: Daniel King <dan@spiraldb.com>

Author: danking

encodings/pco/src/decoder.rs

@@ -6,9 +6,6 @@
 use std::collections::BTreeMap;
 use std::collections::btree_map::Entry;
 
-use crate::Pco;
-use crate::page_index::ChunkCursor;
-use crate::page_index::PhysicalPlan;
 use pco::data_types::Number;
 use pco::wrapped::ChunkDecompressor;
 use pco::wrapped::FileDecompressor;
@@ -21,7 +18,10 @@ use vortex_buffer::BufferMut;
 use vortex_error::VortexResult;
 use vortex_error::vortex_err;
 
+use crate::Pco;
 use crate::array::vortex_err_from_pco;
+use crate::page_index::ChunkCursor;
+use crate::page_index::PhysicalPlan;
 
 pub(crate) struct PageDecoder<T: Number> {
     file: FileDecompressor,