sendgrid - modules/contrib/sendgrid/src/Plugin/Mail/SendgridMail.php:
+----------+------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| severity | line | message                                                                                                                                                                                                                          |
+----------+------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| info     | 145  | Call to deprecated method renderPlain() of interface Drupal\Core\Render\RendererInterface. Deprecated in drupal:10.3.0 and is removed from drupal:12.0.0. Use Drupal\Core\Render\RendererInterface::renderInIsolation() instead. |
+----------+------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

sendgrid - modules/contrib/sendgrid/sendgrid.info.yml:
+----------+------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| severity | line | message                                                                                                                                                 |
+----------+------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| error    | 4    | Value of core_version_requirement: ^8.9 | ^9 | ^10 is not compatible with the next major version of Drupal core. See https://drupal.org/node/3070687. |
+----------+------+---------------------------------------------------------------------------------------------------------------------------------------------------------+