fix: add missing suppressions.xml

[natedanner]

What's changed?

Adding suppressions.xml for dependency-check task

What's your motivation?

The dependency check task fails without this file present.

Checklist

• [X] I've added unit tests to cover both positive and negative cases
• [X] I've read and applied the recipe conventions and best practices
• [X] I've used the IntelliJ IDEA auto-formatter on affected files