chore(deps): bump actions/upload-artifact from 5 to 6 (#71)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
           cp -R addons/sourcemod/translations /tmp/package/common/addons/sourcemod/
 
       - name: Upload build archive for test runners
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ runner.os }}
           path: /tmp/package