Use archive: false for single-file upload in official-images workflow

Agent-Logs-Url: https://github.com/gradle/docker-gradle/sessions/d36c2784-9068-435c-9d87-77bfa5046179

Co-authored-by: cobexer <460721+cobexer@users.noreply.github.com>

Author: Copilot

.github/workflows/official-images.yml

@@ -59,8 +59,8 @@ jobs:
       - name: Archive library file
         uses: actions/upload-artifact@v7
         with:
-          name: gradle
           path: library-gradle
+          archive: false
       - name: Compare library files
         id: compare
         run: |