Update code generation settings.

Author: brendandburns

settings

@@ -21,7 +21,7 @@ export GEN_COMMIT=a3aef4d
 export USERNAME=kubernetes
 
 # Kubernetes branch/tag to get the OpenAPI spec from.
-export KUBERNETES_BRANCH="v1.21.1"
+export KUBERNETES_BRANCH="v1.22.2"
 
 # client version for packaging and releasing. It can
 # be different than SPEC_VERSION.
@@ -30,4 +30,4 @@ export CLIENT_VERSION="0.8-SNAPSHOT"
 # Name of the release package
 export PACKAGE_NAME="@kubernetes/node-client"
 
-export OPENAPI_GENERATOR_COMMIT=v4.2.3
+export OPENAPI_GENERATOR_COMMIT=v5.2.1