feat: update CI's upload-artifact and download-artifact actions to v4 (casdoor#3361)

v3 of `actions/upload-artifact` and `actions/download-artifact` will be
fully deprecated by 5 December 2024. Jobs that are scheduled to run
during the brownout periods will also fail. See [1][2].

[1]: https://github.blog/changelog/2024-04-16-deprecation-notice-v3-of-the-artifact-actions/
[2]: https://github.blog/changelog/2024-11-05-notice-of-breaking-changes-for-github-actions/

Signed-off-by: Eng Zer Jun <[email protected]>

Author: Juneezee

.github/workflows/build.yml

@@ -114,12 +114,12 @@ jobs:
           wait-on-timeout: 210
           working-directory: ./web
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: failure()
         with:
           name: cypress-screenshots
           path: ./web/cypress/screenshots
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: always()
         with:
           name: cypress-videos