chore(deps): update postgres docker tag to v19

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/phpunit.yml

@@ -210,7 +210,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:18
+        image: postgres:19beta2
         ports:
           - 4444:5432/tcp
         env: