Update actions/setup-node digest to 395ad32 (#31470)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/docs.yml

@@ -33,7 +33,7 @@ jobs:
                   repository: matrix-org/matrix-js-sdk
                   path: matrix-js-sdk
 
-            - uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6
+            - uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6
               with:
                   cache: "yarn"
                   cache-dependency-path: element-web/yarn.lock