fix: resolve multiple bugs in commitpulse

[saurabhhhcodes]

Description

This PR fixes real bugs found in the codebase:

• Replaced global isNaN with Number.isNaN: the global version coerces its argument, so isNaN('1') returns false while Number.isNaN is strict.
• Added rejection handler to Promise.all: an unhandled rejection in any input promise previously crashed silently.
• Removed return undefined: bare return conveys the same intent without the redundant literal.
• Added rejection handler to Promise.all: an unhandled rejection in any input promise previously crashed silently.

Type of Change

• Bug fix (non-breaking change fixing an issue)

How Has This Been Tested?

• Local manual testing

Checklist

• My code follows the style guidelines
• I have performed a self-review

Related Issue

Ref: #8762

[vercel]

Someone is attempting to deploy a commit to the jhasourav07's projects Team on Vercel.

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[retenta-bot]

This pull request effectively resolves multiple bugs, enhancing the robustness of the commitpulse codebase. It aligns with previous decisions made regarding bug fixes, particularly in handling NaN values and promise rejections to prevent silent crashes. Thank you for your contributions, and I look forward to seeing this merged!

[github-actions]

👋 Hey @saurabhhhcodes! Thanks for your contribution! 🎉

Unfortunately, this PR has been automatically closed because it is not linked to any open issue.

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