chore(deps): update actions/cache action to v5.0.4

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -93,7 +93,7 @@ jobs:
       - name: Install devenv.sh
         run: nix profile install nixpkgs#devenv
       - name: Cache .web
-        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
+        uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
         with:
           path: .web
           key: ${{ runner.os }}-reflex-${{ hashFiles('**/uv.lock') }}