Bump actions/upload-artifact from 2 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 2 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v2...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci-tests.yml

@@ -32,7 +32,7 @@ jobs:
         with:
           version: latest
           args: --out-format=checkstyle:golanglint.xml --timeout=600s --max-issues-per-linter=0 --max-same-issues=0 --new-from-rev=origin/${{ github.base_ref }}
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
           name: golangcilint
           retention-days: 1
@@ -80,7 +80,7 @@ jobs:
      - name: Run tests
        run: |
         ./bin/ci-tests.sh ${{ matrix.databases }}
-     - uses: actions/upload-artifact@v2
+     - uses: actions/upload-artifact@v4
        with:
          name: coverage
          retention-days: 1