feat: added support for force field for API and API version deletion (#35)

- [ ] Regenerate this pull request now.

docs: updated proto comments to align with the public documentation

Clients can now set the `force` field while sending delete request to allow cascade deletion of resources in the registry.

PiperOrigin-RevId: 468760464

Source-Link: googleapis/googleapis@b965a25

Source-Link: https://github.com/googleapis/googleapis-gen/commit/918d6fd0fb5419ed91f679a1b4f8fc5ae51affb7
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiOTE4ZDZmZDBmYjU0MTllZDkxZjY3OWExYjRmOGZjNWFlNTFhZmZiNyJ9

Author: gcf-owl-bot[bot]

java-apigee-registry/google-cloud-apigee-registry/src/main/java/com/google/cloud/apigeeregistry/v1/RegistryClient.java

@@ -273,6 +273,7 @@ public class HttpJsonRegistryStub extends RegistryStub {
                         Map<String, List<String>> fields = new HashMap<>();
                         ProtoRestSerializer<DeleteApiRequest> serializer =
                             ProtoRestSerializer.create();
+                        serializer.putQueryParam(fields, "force", request.getForce());
                         return fields;
                       })
                   .setRequestBodyExtractor(request -> null)
@@ -453,6 +454,7 @@ public class HttpJsonRegistryStub extends RegistryStub {
                             Map<String, List<String>> fields = new HashMap<>();
                             ProtoRestSerializer<DeleteApiVersionRequest> serializer =
                                 ProtoRestSerializer.create();
+                            serializer.putQueryParam(fields, "force", request.getForce());
                             return fields;
                           })
                       .setRequestBodyExtractor(request -> null)