update to PyO3 0.21 beta (#1222)

Author: davidhewitt

Cargo.lock

@@ -27,7 +27,7 @@ include = [
 rust-version = "1.70"
 
 [dependencies]
-pyo3 = { version = "0.20.3", features = ["generate-import-lib", "num-bigint"] }
+pyo3 = { version = "0.21.0-beta.0", features = ["generate-import-lib", "num-bigint"] }
 regex = "1.10.3"
 strum = { version = "0.25.0", features = ["derive"] }
 strum_macros = "0.26.1"
@@ -44,7 +44,7 @@ base64 = "0.21.7"
 num-bigint = "0.4.4"
 python3-dll-a = "0.2.7"
 uuid = "1.7.0"
-jiter = {version = "0.0.6", features = ["python"]}
+jiter = {version = "0.0.7", features = ["python"]}
 
 [lib]
 name = "_pydantic_core"
@@ -71,12 +71,12 @@ debug = true
 strip = false
 
 [dev-dependencies]
-pyo3 = { version = "0.20.3", features = ["auto-initialize"] }
+pyo3 = { version = "0.21.0-beta.0", features = ["auto-initialize"] }
 
 [build-dependencies]
 version_check = "0.9.4"
 # used where logic has to be version/distribution specific, e.g. pypy
-pyo3-build-config = { version = "0.20.2" }
+pyo3-build-config = { version = "0.21.0-beta.0" }
 
 [lints.clippy]
 dbg_macro = "warn"