Fix #5533: Update workflows to use v4 of the upload-artifact

[Rd4dev]

Explanation

Fixes #5533

This PR includes

• An upgrade of the upload artifact from v2 to v4
• https://github.com/actions/upload-artifact?tab=readme-ov-file#actionsupload-artifact

...v1/v2 are scheduled for deprecation on June 30, 2024. Please update your workflow to use v4 of the artifact actions.

Passing checks with V4

[Stack trace]

Essential Checklist

• The PR title and explanation each start with "Fix #bugnum: " (If this PR fixes part of an issue, prefix the title with "Fix part of #bugnum: ...".)
• Any changes to scripts/assets files have their rationale included in the PR explanation.
• The PR follows the style guide.
• The PR does not contain any unnecessary code changes from Android Studio (reference).
• The PR is made from a branch that's not called "develop" and is up-to-date with "develop".
• The PR is assigned to the appropriate reviewers (reference).

[github-actions]

Coverage Report

Results

Coverage Analysis: SKIP ⏭️

This PR did not introduce any changes to Kotlin source or test files.

To learn more, visit the Oppia Android Code Coverage wiki page

[Rd4dev]

@adhiamboperes, upgrading to v4 appears to resolve #5533. If it's fine, I can update this draft. (But it was pushed via GitHub web; I hope that won’t matter.) or if possible, could you open a PR for the same?

[github-actions]

Coverage Report

Results

Coverage Analysis: SKIP ⏭️

This PR did not introduce any changes to Kotlin source or test files.

To learn more, visit the Oppia Android Code Coverage wiki page

[Rd4dev]

Closing this PR as the fix was included as a part of #5532