chore(deps): update docker/setup-buildx-action action to v3.8.0

Author: renovate-bot

.github/workflows/CreateMxtoolsCache.yml

@@ -44,7 +44,7 @@ jobs:
               with:
                   fetch-depth: 1
             - name: Set up Docker Buildx
-              uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1
+              uses: docker/setup-buildx-action@6524bf65af31da8d45b59e8c27de4bd072b392f5 # v3.8.0
             - name: Create docker-cache dir
               run: mkdir -p .docker-cache
             - name: Cache mxbuild & mxruntime images