chore(deps): update actions/upload-artifact action to v4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/upload-artifact	action	major	v3 -> v4

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Release Notes

actions/upload-artifact (actions/upload-artifact)

### [`v4`](https://togithub.com/actions/upload-artifact/compare/v3...v4) [Compare Source](https://togithub.com/actions/upload-artifact/compare/v3...v4)

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[github-actions[bot]]

Coverage from tests in ./e2e_test/... for ./consensus/istanbul/... at commit 82a3fc05d7394c9b9cdc9321c244a8a2ecebb4d8

coverage: 51.1% of statements across all listed packages

coverage:  63.4% of statements in consensus/istanbul
coverage:  42.7% of statements in consensus/istanbul/announce
coverage:  55.8% of statements in consensus/istanbul/backend
coverage:   0.0% of statements in consensus/istanbul/backend/backendtest
coverage:  24.3% of statements in consensus/istanbul/backend/internal/replica
coverage:  66.0% of statements in consensus/istanbul/core
coverage:  50.0% of statements in consensus/istanbul/db
coverage:   0.0% of statements in consensus/istanbul/proxy
coverage:  64.2% of statements in consensus/istanbul/uptime
coverage:  51.8% of statements in consensus/istanbul/validator
coverage:  79.2% of statements in consensus/istanbul/validator/random

[github-actions[bot]]

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (5a9d102) 55.08% compared to head (6d5e816) 55.11%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2244 +/- ## ========================================== + Coverage 55.08% 55.11% +0.02% ========================================== Files 683 683 Lines 114533 114533 ========================================== + Hits 63095 63129 +34 + Misses 47543 47519 -24 + Partials 3895 3885 -10 ```

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