[pyo3] upgrade to 0.22.6

Summary: Upgrade `pyo3` to [`0.22.6`](https://fburl.com/g3zxt353)

Test Plan:
* All `[pyo3-gil-refs]` diff "Test Plan" sections have been run on this diff
* `~/fbcode/common/rust/tools/scripts/third-party-check.sh`
* `~/fbcode/common/rust/tools/scripts/check_all.sh`

Reviewed By: zertosh

Differential Revision: D68466072

fbshipit-source-id: 9e52e76164584477fc9a21daefb8a49feaf664c1

antlir/antlir2/antlir2_packager/src/oci.rs

@@ -12,6 +12,7 @@ use std::io::Read;
 use std::io::Write;
 use std::path::Path;
 use std::path::PathBuf;
+use std::str::FromStr;
 use std::sync::Arc;
 
 use anyhow::Context;
@@ -29,6 +30,7 @@ use oci_spec::image::MediaType;
 use oci_spec::image::OciLayoutBuilder;
 use oci_spec::image::PlatformBuilder;
 use oci_spec::image::RootFsBuilder;
+use oci_spec::image::Sha256Digest;
 use oci_spec::image::ANNOTATION_REF_NAME;
 use serde::Deserialize;
 use serde::Serialize;
@@ -103,8 +105,8 @@ fn write<O: OciObject>(blobs_dir: &Dir, obj: &O) -> Result<Descriptor> {
     f.write_all(bytes.as_ref()).context("while writing blob")?;
     DescriptorBuilder::default()
         .media_type(O::MEDIA_TYPE)
-        .digest(format!("sha256:{sha256}"))
-        .size(bytes.as_ref().len() as i64)
+        .digest(Sha256Digest::from_str(&sha256)?)
+        .size(bytes.as_ref().len() as u64)
         .build()
         .context("while building descriptor")
 }