feat!: Firebase android SDK BOM 31.0.0

[russellwheatley]

Description

See title.

Related Issues

None.

Checklist

Before you create this PR confirm that it meets all requirements listed below by checking the relevant checkboxes ([x]).
This will ensure a smooth and quick review process. Updating the pubspec.yaml and changelogs is not required.

• I read the Contributor Guide and followed the process outlined there for submitting PRs.
• My PR includes unit or integration tests for all changed/updated/fixed behaviors (See Contributor Guide).
• All existing and new tests are passing.
• I updated/added relevant documentation (doc comments with ///).
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• I signed the CLA.
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Breaking Change

Does your PR require plugin users to manually update their apps to accommodate your change?

• Yes, this is a breaking change.
• No, this is not a breaking change.

[bassel]

@russellwheatley Does this issue affect the latest plugin version?

I saw the warning this morning on the crashlytics console but haven't had problems with the latest release myself. So I thought I'd ask first before opening an issue

[russellwheatley]

@bassel Firebase android SDK release should be going out today to fix the issue. We intend to follow up with a FlutterFire release. Keep an eye on version bump to firebase_core and every other plugin on pub.dev or the changelog in the root of this repo 👍