QVAC-8561: Merge DL and other progress from 6469

.github/workflows/build.yml

@@ -447,11 +447,12 @@ jobs:
         id: checkout
         uses: actions/checkout@v4
 
-      - name: ccache
-        uses: ggml-org/[email protected]
-        with:
-          key: ubuntu-24-cmake-vulkan
-          evict-old-files: 1d
+      # Reduce false pass/failure on CI
+      # - name: ccache
+      #   uses: ggml-org/[email protected]
+      #   with:
+      #     key: ubuntu-24-cmake-vulkan
+      #     evict-old-files: 1d
 
       - name: Dependencies
         id: depends