Update dependency maven to v3.9.9 (release/2.1.x)

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
maven	`3.9.8` -> `3.9.9`

📅 Schedule: Branch creation - "before 4am" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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dropwizard / dropwizard-kafka