Fix missing linefeed between SEMAPHORE_DB_PORT and SEMAPHORE_DB in .env template (#1367)

* Initial plan

* Fix missing linefeed in .env.semaphore template

Co-authored-by: ChristianLempa <28359525+ChristianLempa@users.noreply.github.com>

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: ChristianLempa <28359525+ChristianLempa@users.noreply.github.com>

library/compose/semaphoreui/.env.semaphore.j2

@@ -16,6 +16,7 @@ SEMAPHORE_DB_HOST={{ database_host }}
 SEMAPHORE_DB_HOST={{ service_name }}-{{ database_type }}
 {% endif %}
 SEMAPHORE_DB_PORT={% if database_type == 'postgres' %}5432{% else %}3306{% endif %}
+
 SEMAPHORE_DB={{ database_name }}
 SEMAPHORE_DB_USER={{ database_user }}
 SEMAPHORE_DB_PASS={{ database_password }}