CAMEL-23082 camel-as2 - Replace deprecated api

[claudio4j]

https://issues.apache.org/jira/browse/CAMEL-23082

Description

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[claudio4j]

@brunovg @marwins @xxxyyyz can you guys have a look (or test) at this PR since you did past collaboration on this component, your feedback is useful, thanks.

[claudio4j]

I think this one can be merged.