Bump the github-actions group with 2 updates

Bumps the github-actions group with 2 updates: [actions/download-artifact](https://github.com/actions/download-artifact) and [actions/upload-artifact](https://github.com/actions/upload-artifact).


Updates `actions/download-artifact` from 7 to 8
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v7...v8)

Updates `actions/upload-artifact` from 6 to 7
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6...v7)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/build.yml

@@ -22,7 +22,7 @@ jobs:
             test
 
       - name: Download the built plugin
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: restAPI
           path: .
@@ -45,7 +45,7 @@ jobs:
           hurl --test --report-junit test-results.xml --variables-file test/test.env --jobs 1 test/*.hurl
 
       - name: Expose Openfire logs
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always() # always run even if the previous step fails
         with:
           name: Openfire server logs