Update github.com/duo-labs/webauthn commit hash to a22482e

This MR contains the following updates:

Package	Type	Update	Change
github.com/duo-labs/webauthn	require	digest	4e4eb99 -> a22482e

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This MR has been generated by Renovate Bot.

mentioned in issue #1 (closed)

merged

mentioned in commit 75c2d62c