chore: add a default value for security.sensible.secret

Author: mcruzdev

timeless-api/src/main/resources/application.properties

@@ -1,5 +1,5 @@
 # application
-security.sensible.secret=${SECURITY_KEY}
+security.sensible.secret=${SECURITY_KEY:YS0xNi1ieXRlLXNlY3JldA==}
 whatsapp.incoming-messages.queue-url=${INCOMING_MESSAGE_FIFO_URL}
 whatsapp.messages-processed.queue-url=${MESSAGES_PROCESSED_FIFO_URL}
 
@@ -22,4 +22,4 @@ quarkus.langchain4j.openai.gpt-4-turbo.api-key=${OPENAI_API_KEY}
 
 # quinoa (frontend)
 quarkus.quinoa.enable-spa-routing=true
-quarkus.quinoa.run-tests=false
+quarkus.quinoa.run-tests=false