S3: adding required setting to properties file

[matzew]

With out this fix, I am getting:

s3-sink-deployment-7886f69cc-khspt sink Caused by: java.lang.IllegalArgumentException: Route template aws-s3-sink the following mandatory parameters must be provided: bucketNameOrArn, region
s3-sink-deployment-7886f69cc-khspt sink 	at org.apache.camel.impl.DefaultModel.addRouteFromTemplate(DefaultModel.java:477)
s3-sink-deployment-7886f69cc-khspt sink 	at org.apache.camel.impl.DefaultModel.addRouteFromTemplate(DefaultModel.java:416)
s3-sink-deployment-7886f69cc-khspt sink 	at org.apache.camel.impl.DefaultCamelContext.addRouteFromTemplate(DefaultCamelContext.java:362)
s3-sink-deployment-7886f69cc-khspt sink 	at org.apache.camel.component.kamelet.KameletComponent$LifecycleHandler.createRouteForEndpoint(KameletComponent.java:433)
s3-sink-deployment-7886f69cc-khspt sink 	... 28 more
s3-sink-deployment-7886f69cc-khspt sink 

[matzew]

@christophd can we perhaps update the archetype to also set this to empty (e.g. all required)?

At least temporary, until we know why this is needed?

[christophd]

Yes, makes sense to generate the required properties in the archetype. I am investigating why this is default empty value is required

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: christophd, matzew

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