Update OpenAPI 3.0 Descriptions

Author: github-openapi-bot

descriptions/api.github.com/api.github.com.2022-11-28.json

@@ -9716,6 +9716,14 @@
                     "description": "Whether this runner should be updated with a static public IP. Note limit on account. To list limits on account, use `GET actions/hosted-runners/limits`",
                     "type": "boolean"
                   },
+                  "size": {
+                    "description": "The machine size of the runner. To list available sizes, use `GET actions/hosted-runners/machine-sizes`",
+                    "type": "string"
+                  },
+                  "image_id": {
+                    "description": "The unique identifier of the runner image. To list all available images, use `GET /actions/hosted-runners/images/github-owned` or `GET /actions/hosted-runners/images/partner`.",
+                    "type": "string"
+                  },
                   "image_version": {
                     "description": "The version of the runner image to deploy. This is relevant only for runners using custom images.",
                     "type": "string",

descriptions/api.github.com/api.github.com.2022-11-28.yaml

@@ -6963,6 +6963,15 @@ paths:
                     public IP. Note limit on account. To list limits on account, use
                     `GET actions/hosted-runners/limits`
                   type: boolean
+                size:
+                  description: The machine size of the runner. To list available sizes,
+                    use `GET actions/hosted-runners/machine-sizes`
+                  type: string
+                image_id:
+                  description: The unique identifier of the runner image. To list
+                    all available images, use `GET /actions/hosted-runners/images/github-owned`
+                    or `GET /actions/hosted-runners/images/partner`.
+                  type: string
                 image_version:
                   description: The version of the runner image to deploy. This is
                     relevant only for runners using custom images.