Update dependency firebase-functions to v6

[mend-for-github-com]

This PR contains the following updates:

Package	Type	Update	Change
firebase-functions	dependencies	major	^5.0.1 -> ^6.1.2

By merging this PR, the issue #5 will be automatically resolved and closed:

Severity	CVSS Score	CVE
High	7.5	CVE-2024-45296
High	7.5	CVE-2024-52798
Medium	5.3	CVE-2024-47764
Medium	5.0	CVE-2024-43796
Medium	5.0	CVE-2024-43799

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Release Notes

firebase/firebase-functions (firebase-functions)

v6.1.2

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• Update callable function to better support long running requests (#​1635)

v6.1.1

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• Fix bug where wrapInit wasn't called on v2 callable functions. (#​1634)
• Add support for callable function to return streaming response (#​1629)
• Add support for firebase-admin@13 (#​1641)

v6.1.0

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• Bump express version to 4.19.2 (#​1624)
• Add support for beforeSmsSent auth blocking triggers. (#​1589)

v6.0.1

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• Fix bug where v1 functions can't be emulated (#​1615)

v6.0.0

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• Breaking: Change default entrypoint of the firebase-functions package to v2 instead of v1 (#​1594)
• Add @​deprecated annotation on functions.config() API (#​1604)

v5.1.1

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• Fix retry in event triggered functions. (#​1463)
• Expose retry configuration in v2 RTDB trigger (#​1588)
• Fix CORS options for v2 callable functions (#​1564)
• Remove invalid enforceAppCheck option for v2 onRequest trigger (#​1477)

v5.1.0

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• Future Extensions support (#​1590)

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