Update dependency firebase-functions to v6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
firebase-functions	^5.0.1 -> ^6.0.0

---

Release Notes

firebase/firebase-functions (firebase-functions)

v6.1.0

Compare Source

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

v6.0.1

Compare Source

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

v6.0.0

Compare Source

• 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

Compare Source

• 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

Compare Source

• Future Extensions support (#​1590)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 35.02%. Comparing base (8e8fdad) to head (4cdab85).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #275   +/-   ##
=======================================
  Coverage   35.02%   35.02%           
=======================================
  Files          97       97           
  Lines        4994     4994           
=======================================
  Hits         1749     1749           
  Misses       3245     3245           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.