Serverless syntax update | exclude -> patterns

[amcnutt8400]

Serverless was throwing a deprecation warning that was blocking the demo from running. This was due to an update in the Serverless syntax.(You'll have to scroll a little or search for "patterns") After the syntax was updated, the demo ran without issue.

Before the fix:

After the fix:

[josephmcasey]

Validated fix. Issue is still present on default branch.