Merge pull request #110 from input-output-hk/dependabot/github_actions/actions/upload-pages-artifact-4

[CI] Bump actions/upload-pages-artifact from 3 to 4

Author: jasagredo

.github/workflows/documentation.yml

@@ -114,7 +114,7 @@ jobs:
           tar vzxf haddocks.tgz
 
       - name: Upload haddocks artifact to pages
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: ./docs/haddocks