Update pulp bindings to v3.28.0

Author: Andrewgdewar

release/README.md

@@ -6,7 +6,7 @@ Fetch, Upload, Organize, and Distribute Software Packages
 This API client was generated by the [OpenAPI Generator](https://openapi-generator.tech) project.  By using the [OpenAPI-spec](https://www.openapis.org/) from a remote server, you can easily generate an API client.
 
 - API version: v3
-- Package version: v3.27.1
+- Package version: v3.28.0
 - Build package: org.openapitools.codegen.languages.GoClientCodegen
 For more information, please visit [https://pulpproject.org](https://pulpproject.org)
 
@@ -1313,6 +1313,19 @@ r, err := client.Service.Operation(auth, args)
 
 Note, each API key must be added to a map of `map[string]APIKey` where the key is: sessionid and passed in as the auth context for each request.
 
+Example
+
+```golang
+auth := context.WithValue(
+		context.Background(),
+		sw.ContextAPIKeys,
+		map[string]sw.APIKey{
+			"sessionid": {Key: "API_KEY_STRING"},
+		},
+	)
+r, err := client.Service.Operation(auth, args)
+```
+
 
 ## Documentation for Utility Methods