Bump actions/upload-artifact from 3 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/discoveryfinder-e2e-test.yml

@@ -70,7 +70,7 @@ jobs:
           AUTH_SERVER_TOKEN_URL: ${{ inputs.tokenUrl }}
           DISCOVERYFINDER_API_URL: ${{ inputs.discoveryFinderUrl }}
       - name: Upload test report
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: always()
         with:
           name: discoveryfinder-e2e-test-report

.github/workflows/gitleaks.yml

@@ -38,7 +38,7 @@ jobs:
           gitleaks detect -f sarif -r ./gitleaks-report-discovery-finder.sarif --exit-code 0
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: gitleaks-report
           path: ./gitleaks-report-discovery-finder.sarif