build: release v6.277.0

[eliotlim]

New

• chore: remove growthbook from payment functions #8947
• feat: partially clean up deprecated email mode submission functions and route #8946
• build: merge v6.276.0 back to develop #8939
• build: release v6.276.0 #8938
• chore: bump version to v6.277.0 d541d66

Dependencies

• fix(deps): bump jws from 3.2.2 to 3.2.3 #8944
• build(deps): bump next from 15.5.3 to 15.5.7 in /react-email-preview #8942
• fix(deps): bump next from 15.5.2 to 15.5.7 #8941

Dev-Dependencies

Tests

feat: partially clean up deprecated email mode submission functions and route #8946

TC1: (Sanity check) MRF mode still works

• Create an MRF with attachment, signature and address fields with 3 steps.
• Complete the submission and assert it can be submitted.

Storage mode is covered by playwright e2e tests.

[datadog-opengovsg]

✅ Tests

🎉 All green!

❄️ No new flaky tests detected
🧪 All tests passed

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[eliotlim]

Whoops! We've created a new PR that supersedes this, #8953.