fix(middlewareNode): bump nodemailer 6.7.8 -> 10.0.1 (Issue 4)

[Deepesh-Katudia]

Summary

Bump nodemailer 6.7.8 -> 10.0.1 in middlewareNode, isolated in its own PR so it can be reviewed and reverted on its own.

Part of a stacked series. Merge in order: audit-fix -> axios -> nodemailer -> googleapis -> uuid -> node-nlp. Each PR targets the previous branch, so its diff shows only its own bump; After merging each one, click "Delete branch" (this repo does not auto-delete merged branches). That makes GitHub retarget the next PR to main and run CI on it; if the branch is not deleted, the next PR must be retargeted to main by hand before merging, or it will merge into a dead branch. (3/6, stacked on #241)

Type of Change

• New feature
• Bug fix
• Refactor
• Documentation update
• Style/UI update
• Performance improvement
• Other (please specify): dependency / security update (Issue 4)

Key Changes

• middlewareNode/package.json: one-line range change; lockfile updated accordingly.
• Supersedes Dependabot chore(deps): bump nodemailer from 6.10.1 to 9.0.1 in /middlewareNode #156 and chore(deps): bump nodemailer from 6.10.1 to 9.1.1 in /middlewareNode #227 (chore(deps): bump nodemailer from 6.10.1 to 9.1.1 in /middlewareNode #227 only reaches 9.1.1, still behind this).

Testing

• Unit tests added/updated
• Integration tests added/updated
• Manual testing performed: plain node -e "require(...)" of the package (catches CommonJS/ESM breakage that Jest mocks can hide)
• All tests pass: 22/22 suites, 264/264 tests after clean npm ci

Bugs Fixed (if applicable)

• npm audit after this PR: 6 findings (0 critical, 3 high)

TODO (Follow-up Work)

• Merge only after fix(middlewareNode): bump axios 0.21.1 -> 1.20.0 (Issue 4) #241.

Additional Notes

Version vetted by @THRISHMA2424 on dependancyFix; regenerated fresh off current main.

[Copilot]

🟡 Changes recommended

The upgrade introduces a Node.js runtime requirement shift (nodemailer now requires Node >=20) that should be explicitly enforced in the package metadata to avoid deploy/runtime mismatches.

Get a fresh assessment by requesting another Copilot review.

Pull request overview

This PR upgrades nodemailer in the middlewareNode package to the 10.x line as part of a stacked dependency/security update series, updating both the declared dependency range and the lockfile resolution.

Changes:

• Bump middlewareNode’s nodemailer dependency from ^6.7.8 to ^10.0.1.
• Regenerate middlewareNode/package-lock.json so nodemailer resolves to a 10.x release and updates its recorded engine requirements.

File summaries

File	Description
middlewareNode/package.json	Updates the nodemailer dependency range to ^10.0.1.
middlewareNode/package-lock.json	Updates the lockfile to the resolved nodemailer 10.x package and its metadata (including Node engine requirement).

Review details

Files not reviewed (1)

• middlewareNode/package-lock.json: Generated file

• Files reviewed: 1/2 changed files
• Comments generated: 2
• Review effort level: Lite

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