[PLT-3581] Regenerate alpha_config.md docs

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: majimenez-stratio

docs/docs/configuration/alpha_config.md

@@ -410,6 +410,7 @@ Provider holds all configuration for a single provider
 | `googleConfig` | _[GoogleOptions](#googleoptions)_ | GoogleConfig holds all configurations for Google provider. |
 | `oidcConfig` | _[OIDCOptions](#oidcoptions)_ | OIDCConfig holds all configurations for OIDC provider<br/>or providers utilize OIDC configurations. |
 | `loginGovConfig` | _[LoginGovOptions](#logingovoptions)_ | LoginGovConfig holds all configurations for LoginGov provider. |
+| `sisConfig` | _[SISOptions](#sisoptions)_ | SISConfig holds all configurations for SIS provider. |
 | `id` | _string_ | ID should be a unique identifier for the provider.<br/>This value is required for all providers. |
 | `provider` | _[ProviderType](#providertype)_ | Type is the OAuth provider<br/>must be set from the supported providers group,<br/>otherwise 'Google' is set as default |
 | `name` | _string_ | Name is the providers display name<br/>if set, it will be shown to the users in the login page. |
@@ -423,6 +424,7 @@ Provider holds all configuration for a single provider
 | `scope` | _string_ | Scope is the OAuth scope specification |
 | `allowedGroups` | _[]string_ | AllowedGroups is a list of restrict logins to members of this group |
 | `code_challenge_method` | _string_ | The code challenge method |
+| `signOutURL` | _string_ | SignOutURL overrides the provider's default sign-out redirect URL |
 
 ### ProviderType
 #### (`string` alias)
@@ -444,6 +446,17 @@ and oidc.
 Providers is a collection of definitions for providers.
 
 
+### SISOptions
+
+(**Appears on:** [Provider](#provider))
+
+
+
+| Field | Type | Description |
+| ----- | ---- | ----------- |
+| `SISRootURL` | _string_ | SISRootURL is the OpenID Connect SISRoot URL |
+| `ClearExtraCookieNames` | _[]string_ | ClearExtraCookieNames sets cookie names to clear after sign out |
+
 ### SecretSource
 
 (**Appears on:** [ClaimSource](#claimsource), [HeaderValue](#headervalue), [TLS](#tls))