In cockroach-debug-zip.md, added validate-zip-file flag. (#19916)

Author: florence-crl

src/current/v25.3/cockroach-debug-zip.md

@@ -119,6 +119,7 @@ Flag | Description
 <a id="redact"></a>`--redact` | Redact sensitive data from the generated `.zip`, with the exception of range keys, which must remain unredacted because they are essential to support CockroachDB. This flag replaces the deprecated `--redact-logs` flag, which only applied to log messages contained within `.zip`.<br><br>To redact hostnames and IP addresses in `.json` files, such as `status.json`, `details.json`, and `ranges.json`, you will also need to enable the [cluster setting `debug.zip.redact_addresses.enabled`]({% link {{ page.version.version }}/cluster-settings.md %}#setting-debug-zip-redact-addresses-enabled). Note that enabling this cluster setting will not redact all hostnames and IP addresses in the `nodes.json` and `gossip.json` files.<br><br>For examples, refer to [Redact sensitive information](#redact-sensitive-information).
 `--redact-logs` | **Deprecated** Redact sensitive data from collected log files only. Use the `--redact` flag instead, which redacts sensitive data across the entire generated `.zip` as well as the collected log files. Passing the `--redact-logs` flag will be interpreted as the `--redact` flag.
 `--timeout` | In the process of generating a debug zip, many internal requests are made. Each request is allowed the maximum duration specified by the timeout. If an internal request does not complete within the timeout duration, an error is displayed for that request and its artifact is not included in the zip file.<br /><br />The timeout is suffixed with `s` (seconds), `m` (minutes), or `h` (hours).<br /><br />**Default:** `60s`
+`--validate-zip-file` | Validate debug zip file after generation. This is a quick check to validate whether the generated zip file is valid and not corrupted.<br /><br />**Default:** `true`
 
 ### Client connection