Update cache key and swiftshader reference

Author: nihui

.github/workflows/windows.yml

@@ -108,14 +108,14 @@ jobs:
       uses: actions/cache@v4
       with:
         path: swiftshader-install
-        key: swiftshader-${{ matrix.vs-version }}-x64-install-20251130
+        key: swiftshader-${{ matrix.vs-version }}-x64-install-20251201
     - name: checkout-swiftshader
       if: matrix.vs-version != 'vs2015' && matrix.vs-version != 'vs2017' && steps.cache-swiftshader.outputs.cache-hit != 'true'
       uses: actions/checkout@v6
       with:
         repository: google/swiftshader
         path: swiftshader
-        ref: de870ac7518fe2b6bb651ecc22fc36647cf7b986
+        ref: 498a6f760dea6cdda0302406c49b8fbb09b9af92
     - name: checkout-swiftshader-submodules
       if: matrix.vs-version != 'vs2015' && matrix.vs-version != 'vs2017' && steps.cache-swiftshader.outputs.cache-hit != 'true'
       run: |