Revert "LIVE-6160 Upgrade firebase to v9.2.0"

[waisingyiu]

Reverts guardian/mobile-n10n#1206

We saw the following exception on Android sender:

com.gu.notifications.worker.delivery.DeliveryException$BatchCallFailedRequest: Entire batch request failed (Notification: 55b49b62-f93c-3ed9-abbc-4b3726f669c7, Multicast Async Response Failure: java.lang.OutOfMemoryError: unable to create native thread: possibly out of memory or process/resource limits reached)

We need to study how we should configure

[github-actions[bot]]

Deploy build 4279 of mobile-n10n:reportextractor to CODE

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- [Deploy build 4279 of `mobile-n10n:reportextractor` to CODE](https://riffraff.gutools.co.uk/deployment/deployAgain?project=mobile-n10n%3Areportextractor&build=4279&stage=CODE&updateStrategy=MostlyHarmless&action=deploy) - [Deploy parts of build 4279 to CODE by previewing it first](https://riffraff.gutools.co.uk/preview/yaml?project=mobile-n10n%3Areportextractor&build=4279&stage=CODE&updateStrategy=MostlyHarmless) - [What's on CODE right now?](https://riffraff.gutools.co.uk/deployment/history?projectName=mobile-n10n%3Areportextractor&stage=CODE)

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From guardian/actions-riff-raff.

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Deploy build 4277 of mobile-n10n:fakebreakingnewslambda to CODE

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- [Deploy build 4277 of `mobile-n10n:fakebreakingnewslambda` to CODE](https://riffraff.gutools.co.uk/deployment/deployAgain?project=mobile-n10n%3Afakebreakingnewslambda&build=4277&stage=CODE&updateStrategy=MostlyHarmless&action=deploy) - [Deploy parts of build 4277 to CODE by previewing it first](https://riffraff.gutools.co.uk/preview/yaml?project=mobile-n10n%3Afakebreakingnewslambda&build=4277&stage=CODE&updateStrategy=MostlyHarmless) - [What's on CODE right now?](https://riffraff.gutools.co.uk/deployment/history?projectName=mobile-n10n%3Afakebreakingnewslambda&stage=CODE)

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From guardian/actions-riff-raff.

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Deploy build 4281 of mobile-n10n:football to CODE

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- [Deploy build 4281 of `mobile-n10n:football` to CODE](https://riffraff.gutools.co.uk/deployment/deployAgain?project=mobile-n10n%3Afootball&build=4281&stage=CODE&updateStrategy=MostlyHarmless&action=deploy) - [Deploy parts of build 4281 to CODE by previewing it first](https://riffraff.gutools.co.uk/preview/yaml?project=mobile-n10n%3Afootball&build=4281&stage=CODE&updateStrategy=MostlyHarmless) - [What's on CODE right now?](https://riffraff.gutools.co.uk/deployment/history?projectName=mobile-n10n%3Afootball&stage=CODE)

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From guardian/actions-riff-raff.

[github-actions[bot]]

Deploy build 4278 of mobile-n10n:report to CODE

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- [Deploy build 4278 of `mobile-n10n:report` to CODE](https://riffraff.gutools.co.uk/deployment/deployAgain?project=mobile-n10n%3Areport&build=4278&stage=CODE&updateStrategy=MostlyHarmless&action=deploy) - [Deploy parts of build 4278 to CODE by previewing it first](https://riffraff.gutools.co.uk/preview/yaml?project=mobile-n10n%3Areport&build=4278&stage=CODE&updateStrategy=MostlyHarmless) - [What's on CODE right now?](https://riffraff.gutools.co.uk/deployment/history?projectName=mobile-n10n%3Areport&stage=CODE)

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From guardian/actions-riff-raff.

[github-actions[bot]]

Deploy build 4285 of mobile-n10n:notification to CODE

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- [Deploy build 4285 of `mobile-n10n:notification` to CODE](https://riffraff.gutools.co.uk/deployment/deployAgain?project=mobile-n10n%3Anotification&build=4285&stage=CODE&updateStrategy=MostlyHarmless&action=deploy) - [Deploy parts of build 4285 to CODE by previewing it first](https://riffraff.gutools.co.uk/preview/yaml?project=mobile-n10n%3Anotification&build=4285&stage=CODE&updateStrategy=MostlyHarmless) - [What's on CODE right now?](https://riffraff.gutools.co.uk/deployment/history?projectName=mobile-n10n%3Anotification&stage=CODE)

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From guardian/actions-riff-raff.

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Deploy build 4288 of mobile-n10n:slomonitor to CODE

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- [Deploy build 4288 of `mobile-n10n:slomonitor` to CODE](https://riffraff.gutools.co.uk/deployment/deployAgain?project=mobile-n10n%3Aslomonitor&build=4288&stage=CODE&updateStrategy=MostlyHarmless&action=deploy) - [Deploy parts of build 4288 to CODE by previewing it first](https://riffraff.gutools.co.uk/preview/yaml?project=mobile-n10n%3Aslomonitor&build=4288&stage=CODE&updateStrategy=MostlyHarmless) - [What's on CODE right now?](https://riffraff.gutools.co.uk/deployment/history?projectName=mobile-n10n%3Aslomonitor&stage=CODE)

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From guardian/actions-riff-raff.

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Deploy build 4285 of mobile-n10n:registration to CODE

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- [Deploy build 4285 of `mobile-n10n:registration` to CODE](https://riffraff.gutools.co.uk/deployment/deployAgain?project=mobile-n10n%3Aregistration&build=4285&stage=CODE&updateStrategy=MostlyHarmless&action=deploy) - [Deploy parts of build 4285 to CODE by previewing it first](https://riffraff.gutools.co.uk/preview/yaml?project=mobile-n10n%3Aregistration&build=4285&stage=CODE&updateStrategy=MostlyHarmless) - [What's on CODE right now?](https://riffraff.gutools.co.uk/deployment/history?projectName=mobile-n10n%3Aregistration&stage=CODE)

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From guardian/actions-riff-raff.

[github-actions[bot]]

Deploy build 4311 of mobile-n10n:notificationworkerlambda to CODE

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- [Deploy build 4311 of `mobile-n10n:notificationworkerlambda` to CODE](https://riffraff.gutools.co.uk/deployment/deployAgain?project=mobile-n10n%3Anotificationworkerlambda&build=4311&stage=CODE&updateStrategy=MostlyHarmless&action=deploy) - [Deploy parts of build 4311 to CODE by previewing it first](https://riffraff.gutools.co.uk/preview/yaml?project=mobile-n10n%3Anotificationworkerlambda&build=4311&stage=CODE&updateStrategy=MostlyHarmless) - [What's on CODE right now?](https://riffraff.gutools.co.uk/deployment/history?projectName=mobile-n10n%3Anotificationworkerlambda&stage=CODE)

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From guardian/actions-riff-raff.