Update to ACK runtime v0.23.0, code-generator v0.23.1 (#50)

### Update to ACK runtime `v0.23.0`, code-generator `v0.23.1`

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* ACK code-generator `v0.23.1` [release notes](https://github.com/aws-controllers-k8s/code-generator/releases/tag/v0.23.1)
* ACK runtime `v0.23.0` [release notes](https://github.com/aws-controllers-k8s/runtime/releases/tag/v0.23.0)

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NOTE:
This PR increments the release version of service controller from `v0.1.5` to `v0.1.6`

Once this PR is merged, release `v0.1.6` will be automatically created for `apigatewayv2-controller`

**Please close this PR, if you do not want the new patch release for `apigatewayv2-controller`**

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#### stdout for `make build-controller`:

```
building ack-generate ... ok.
==== building apigatewayv2-controller ====
Copying common custom resource definitions into apigatewayv2
Building Kubernetes API objects for apigatewayv2
Generating deepcopy code for apigatewayv2
Generating custom resource definitions for apigatewayv2
Building service controller for apigatewayv2
Generating RBAC manifests for apigatewayv2
Running gofmt against generated code for apigatewayv2
Updating additional GitHub repository maintenance files
==== building apigatewayv2-controller release artifacts ====
Building release artifacts for apigatewayv2-v0.1.6
Generating common custom resource definitions
Generating custom resource definitions for apigatewayv2
Generating RBAC manifests for apigatewayv2
```

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

Author: ack-bot

apis/v1alpha1/ack-generate-metadata.yaml

@@ -1,9 +1,9 @@
 ack_generate_info:
-  build_date: "2022-12-08T18:23:02Z"
-  build_hash: 12246c7da82841b351ec7a9e1f139f9338f2784b
-  go_version: go1.17.5
-  version: v0.21.0
-api_directory_checksum: c69d75f37400a8d4d6eb4362eb743005531a7b2c
+  build_date: "2023-02-02T17:44:10Z"
+  build_hash: b55ae8752ece381c383ffe5b388ed2147c6b30d8
+  go_version: go1.19
+  version: v0.23.1
+api_directory_checksum: d4b0832734e0a8d1d149f8e84f7557592673768c
 api_version: v1alpha1
 aws_sdk_go_version: v1.44.93
 generator_config_info: