Set longer timeout for docker startup in integration tests to prevent failing tests

Author: fabapp2

applications/spring-shell/src/test/java/org/springframework/sbm/IntegrationTestBaseClass.java

@@ -342,7 +342,7 @@ protected static RunningNetworkedContainer startDockerContainer(NetworkedContain
                 .withNetwork(network)
                 .withNetworkMode("host")
                 .withNetworkAliases(networkedContainer.networkAlias)
-                .withStartupTimeout(Duration.of(30, ChronoUnit.SECONDS))
+                .withStartupTimeout(Duration.of(60, ChronoUnit.SECONDS))
                 .withEnv(envMap);
         genericContainer.start();