Document new cache{A,Una}uthorizedRequests field in AuthorizationConfiguration

Author: rfranzke

content/en/docs/reference/access-authn-authz/authorization.md

@@ -219,11 +219,23 @@ authorizers:
       # Same as setting `--authorization-webhook-cache-authorized-ttl` flag
       # Default: 5m0s
       authorizedTTL: 30s
+      # If set to false, 'authorized' responses from the webhook are not cached
+      # and the specified authorizedTTL is ignored/has no effect.
+      # Same as setting `--authorization-webhook-cache-authorized-ttl` flag to `0`.
+      # Note: Setting authorizedTTL to `0` results in its default value being used.
+      # Default: true
+      cacheAuthorizedRequests: true
       # The duration to cache 'unauthorized' responses from the webhook
       # authorizer.
       # Same as setting `--authorization-webhook-cache-unauthorized-ttl` flag
       # Default: 30s
       unauthorizedTTL: 30s
+      # If set to false, 'unauthorized' responses from the webhook are not cached
+      # and the specified unauthorizedTTL is ignored/has no effect.
+      # Same as setting `--authorization-webhook-cache-unauthorized-ttl` flag to `0`.
+      # Note: Setting unauthorizedTTL to `0` results in its default value being used.
+      # Default: true
+      cacheUnauthorizedRequests: true
       # Timeout for the webhook request
       # Maximum allowed is 30s.
       # Required, with no default.