[Snyk] Upgrade firebase-functions from 4.4.1 to 4.6.0#13

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snyk-upgrade-ee0afe6f7a8357afada7a33cdd59ed6bX-oss-byte/semantic-prs:snyk-upgrade-ee0afe6f7a8357afada7a33cdd59ed6bCopy head branch name to clipboard