fix: upgrade firebase from 10.12.4 to 10.12.5

Snyk has created this PR to upgrade firebase from 10.12.4 to 10.12.5.

See this package in npm:
firebase

See this project in Snyk:
https://app.snyk.io/org/sswietoniowski/project/83feab47-ba45-42d3-976b-d53347985677?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot