Re-add syntax highlighting to daily emails and

...ATDC lessons

source/_daily_emails/2023-11-27.md

@@ -16,7 +16,7 @@ As well as different base classes for types of tests - i.e. functional, kernel a
 
 For example, if we have this test:
 
-```php
+```language-php
 <?php
 
 namespace Drupal\Tests\example\Kernel;
@@ -62,7 +62,7 @@ When writing a lot of tests, this can result in duplication and more complex tes
 
 This can be simplified using `EntityKernelTestBase` instead of `KernelTestBase`:
 
-```php
+```language-php
 <?php
 
 use Drupal\KernelTests\Core\Entity\EntityKernelTestBase;