Update dependency firebase-admin to v8.13.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
firebase-admin (source)	dependencies	minor	8.12.1 -> 8.13.0

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Release Notes

firebase/firebase-admin-node

v8.13.0

Compare Source

New Features

• feat(rc): Add Remote Config Version Management API (#​920)

Bug Fixes

• fix(auth): Migrated IAM sign endpoint to iamcredentials.googleapis.com (#​916)
• fix(auth): Fixing flaky deleteUsers() integration tests (#​917)
• fix: Upgraded node-forge and jsonwebtoken dependencies (#​912)
• fix(auth): Add interfaces for UserProviderRequest and Metadata used in UserImportRecord (#​909)
• fix: Fixed faulty metadata for the send-tweet Action (#​908)
• fix(auth): Properly parse the lastRefreshTime. (#​888)

Miscellaneous

• [chore] Release 8.13.0 (#​925)
• Add integration tests for RC manage version operations (#​914)
• Add another missing RC type to toc.yaml (#​924)
• Add new RC types in toc.yaml (#​923)
• Fixed a flaky auth integration test by retrying the GetUser() API call (#​907)
• Bump websocket-extensions from 0.1.3 to 0.1.4 (#​900)
• Fixing Firebase ML integration tests (#​899)
• fixing tests with unhandled promises (#​894)
• Rectified issues in comments for NotificationMessagePayload (#​879)
• chore: Running CI workflow on pull_request (#​886)

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Pull Request Test Coverage Report for Build 3029

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 90.273%

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Totals
Change from base Build 3027:	0.0%
Covered Lines:	2254
Relevant Lines:	2457

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💛 - Coveralls