fix(deps): update dependency firebase-admin to v12.3.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
firebase-admin (source)	12.3.0 -> 12.3.1

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Release Notes

firebase/firebase-admin-node (firebase-admin)

v12.3.1: Firebase Admin Node.js SDK v12.3.1

Compare Source

Bug Fixes

• fix: getToken() returns existing promise to a token if one exists instead of a new token. (#​2648)

Miscellaneous

• [chore] Release 12.3.1 (#​2667)
• chore: Skip sendToDeviceGroup integration test (#​2666)
• build(deps-dev): bump @​microsoft/api-extractor from 7.47.2 to 7.47.5 (#​2661)
• build(deps): bump @​types/node from 22.0.1 to 22.1.0 (#​2663)
• build(deps-dev): bump @​firebase/app-compat from 0.2.37 to 0.2.38 (#​2664)
• build(deps): bump @​types/node from 20.14.11 to 22.0.1 (#​2657)
• build(deps-dev): bump chai from 4.4.1 to 4.5.0 (#​2650)
• build(deps-dev): bump @​firebase/app-compat from 0.2.35 to 0.2.37 (#​2653)
• build(deps): bump fast-xml-parser from 4.4.0 to 4.4.1 (#​2654)

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