[GHA] Checkout the latest OneDNN for GPU in nightly (#24534)

### Tickets:
 - CVS-139627

.github/workflows/linux.yml

@@ -94,6 +94,15 @@ jobs:
           path: ${{ env.OPENVINO_REPO }}
           submodules: 'true'
 
+      # Ticket: 139627
+      - name: Checkout the latest OneDNN for GPU in nightly
+        if: ${{ github.event_name == 'schedule' }}
+        working-directory: ${{ env.OPENVINO_REPO }}/src/plugins/intel_gpu/thirdparty/onednn_gpu
+        run: |
+          git fetch origin
+          git checkout main
+          git rev-parse HEAD
+
       - name: Clone OpenVINO Contrib
         uses: actions/checkout@v4
         with: