Revert "Update to 42.0.5, resolves RHBZ#2251816"

This reverts commit 2b20ce4281.

pyo3-0.19.patch

@@ -0,0 +1,52 @@
+diff --git a/src/rust/Cargo.toml b/src/rust/Cargo.toml
+index 01fba147e..9dd060f8b 100644
+--- a/src/rust/Cargo.toml
++++ b/src/rust/Cargo.toml
+@@ -9,7 +9,7 @@ rust-version = "1.56.0"
+ 
+ [dependencies]
+ once_cell = "1"
+-pyo3 = { version = "0.18", features = ["abi3-py37"] }
++pyo3 = { version = "0.19", features = ["abi3-py37"] }
+ asn1 = { version = "0.15.2", default-features = false }
+ cryptography-cffi = { path = "cryptography-cffi" }
+ cryptography-x509 = { path = "cryptography-x509" }
+diff --git a/src/rust/cryptography-cffi/Cargo.toml b/src/rust/cryptography-cffi/Cargo.toml
+index 65051c2a4..24e53991b 100644
+--- a/src/rust/cryptography-cffi/Cargo.toml
++++ b/src/rust/cryptography-cffi/Cargo.toml
+@@ -8,7 +8,7 @@ publish = false
+ rust-version = "1.56.0"
+ 
+ [dependencies]
+-pyo3 = { version = "0.18", features = ["abi3-py37"] }
++pyo3 = { version = "0.19", features = ["abi3-py37"] }
+ openssl-sys = "0.9.88"
+ 
+ [build-dependencies]
+diff --git a/src/rust/src/x509/crl.rs b/src/rust/src/x509/crl.rs
+index 923015035..1380d6eb8 100644
+--- a/src/rust/src/x509/crl.rs
++++ b/src/rust/src/x509/crl.rs
+@@ -145,7 +145,7 @@ impl CertificateRevocationList {
+             revoked_certs
+         });
+ 
+-        if idx.is_instance_of::<pyo3::types::PySlice>()? {
++        if idx.is_instance_of::<pyo3::types::PySlice>() {
+             let indices = idx
+                 .downcast::<pyo3::types::PySlice>()?
+                 .indices(self.len().try_into().unwrap())?;
+diff --git a/src/rust/src/x509/extensions.rs b/src/rust/src/x509/extensions.rs
+index 98d1bd63b..dcf28833f 100644
+--- a/src/rust/src/x509/extensions.rs
++++ b/src/rust/src/x509/extensions.rs
+@@ -211,7 +211,7 @@ fn encode_certificate_policies(
+             let mut qualifiers = vec![];
+             for py_qualifier in py_policy_qualifiers.iter()? {
+                 let py_qualifier = py_qualifier?;
+-                let qualifier = if py_qualifier.is_instance_of::<pyo3::types::PyString>()? {
++                let qualifier = if py_qualifier.is_instance_of::<pyo3::types::PyString>() {
+                     let cps_uri = match asn1::IA5String::new(py_qualifier.extract()?) {
+                         Some(s) => s,
+                         None => {