fix for 1205 (#1223)

* change to latest number

* prettier

Author: rjjaegeraws

Diff for: src/lib/cdk-constructs/src/vpc/asg.ts

@@ -101,7 +101,7 @@ export class RsysLogAutoScalingGroup extends Construct {
       autoScalingGroupName: `${props.acceleratorPrefix}RsyslogAutoScalingGroup`,
       launchTemplate: {
         launchTemplateId: launchTemplate.ref,
-        version: '1',
+        version: launchTemplate.attrLatestVersionNumber,
       },
       vpcZoneIdentifier: props.subnetIds,
       maxInstanceLifetime: props.maxInstanceAge * 86400,