Feat: added update-spreadsheet action

[GarvitSinghal47]

Description

Issue addressed

Addresses #PR# HERE

Before/after screenshots

Changelog

• Description: Enables the action that updates the contributions spreadsheet
• Products impact: no
• Addresses: -
• Components: -
• Breaking: -
• Impacts a11y: -
• Guidance: -

Steps to test

1. Step 1
2. Step 2
3. ...

(optional) Implementation notes

At a high level, how did you implement this?

Does this introduce any tech-debt items?

Testing checklist

• Contributor has fully tested the PR manually
• If there are any front-end changes, before/after screenshots are included
• Critical and brittle code paths are covered by unit tests
• The change is described in the changelog section above

Reviewer guidance

• Is the code clean and well-commented?
• Are there tests for this change?
• Are all UI components LTR and RTL compliant (if applicable)?
• Add other things to check for here

Comments

[MisRob]

All looks good to me here and all secrets are ready on this repo. Thank you @GarvitSinghal47. I will let @rtibbles to make final confirmation before I merge.