Check available Drupal updates

composer outdated "drupal/*"

 

if project uses drupal/core-recommended

 

 

composer update "drupal/core-*" --with-all-dependencies

 

If you are using  only drupal/core:

 

composer update drupal/core --with-dependencies

 

 

Run database updates

if drush installed You can either use drush:

drush updatedb
drush cache:rebuild