chore(deps): update cachix/cachix-action digest to 38b0826

Author: renovate[bot]

.github/workflows/format-check.yml

@@ -21,7 +21,7 @@ jobs:
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - name: 🔒 Cache dependencies
-        uses: cachix/cachix-action@1eb2ef646ac0255473d23a5907ad7b04ce94065c # v17
+        uses: cachix/cachix-action@38b082610b782e7e93e209c35fd730d399dee866 # v17
         with:
           name: devenv
       - name: 🔧 Install devenv.sh