fix(write-api): Update Cloud Serverless outside-retention failure to HTTP 422

Author: savage-engineer

api-docs/cloud-serverless/v2/ref.yml

@@ -7705,6 +7705,13 @@ paths:
             InfluxDB rejected the batch and did not write any data.
 
             InfluxDB returns this error if the payload exceeds the 50MB size limit.
+        '422':
+          description: |
+            Unprocessable Entity.
+
+            The request contained data outside the bucket's retention window, causing InfluxDB to reject the batch and write no data.
+
+            The response body contains details about the [rejected points](/influxdb/cloud-serverless/write-data/troubleshoot/#troubleshoot-rejected-points).
         '429':
           description: |
             Too many requests.

content/influxdb/cloud-serverless/write-data/troubleshoot.md

@@ -55,9 +55,9 @@ The `message` property of the response body may contain additional details about
 | `204 "No Content"`              | no response body                                                        | If InfluxDB ingested all of the data in the batch |
 | `400 "Bad request"`             | `line` contains the first malformed line, `message` describes rejected points                             | If request data is malformed |
 | `401 "Unauthorized"`            |                                                                         | If the `Authorization` header is missing or malformed or if the [token](/influxdb/cloud-serverless/admin/tokens/) doesn't have [permission](/influxdb/cloud-serverless/admin/tokens/create-token/) to write to the bucket. See [examples using credentials](/influxdb/cloud-serverless/get-started/write/#write-line-protocol-to-influxdb) in write requests. |
-| `403 "Forbidden"`               | `message` contains details about the error                              | If the data isn't allowed (for example, falls outside of the bucket's retention period).
 | `404 "Not found"`               | requested **resource type** (for example, "organization" or "bucket"), and **resource name**     | If a requested resource (for example, organization or bucket) wasn't found |
 | `413 “Request too large”`       | cannot read data: points in batch is too large                          | If a request exceeds the maximum [global limit](/influxdb/cloud-serverless/admin/billing/limits/) |
+| `422 "Unprocessable Entity"`    | `message` contains details about the error                              | If the data isn't allowed (for example, falls outside of the bucket's retention period).
 | `429 “Too many requests”`       |                                                                         | If the number of requests exceeds the [adjustable service quota](/influxdb/cloud-serverless/admin/billing/limits/#adjustable-service-quotas). The `Retry-After` header contains the number of seconds to wait before trying the write again. | If a request exceeds your plan's [adjustable service quotas](/influxdb/cloud-serverless/admin/billing/limits/#adjustable-service-quotas)
 | `500 "Internal server error"`   |                                                                         | Default status for an error |
 | `503 "Service unavailable"`     |                                                                         | If the server is temporarily unavailable to accept writes. The `Retry-After` header contains the number of seconds to wait before trying the write again.