refactor(spring-oracle-example): update messages to English for consistency

Author: igorcampos-dev

spring-oracle-example/docker/java/entrypoint.sh

@@ -1,8 +1,8 @@
 #!/bin/sh
 # entrypoint.sh
 
-echo "Aguardando 30 segundos..."
+echo "Waiting 30 seconds..."
 sleep 30
 
-echo "Iniciando a aplicação..."
-exec java org.springframework.boot.loader.launch.JarLauncher
+echo "Starting the application..."
+exec java org.springframework.boot.loader.launch.JarLauncher