Fix Kubenix invocation by executing it with bash explicitly

.forgejo/workflows/deploy.yaml

@@ -22,5 +22,7 @@ jobs:
           mkdir -p ~/.config/sops/age
           echo -n "${{ secrets.AGE_SECRET_KEY }}" > ~/.config/sops/age/keys.txt
       # - run: nix run nixpkgs#sops -- --decrypt src/secrets/sops.yaml | grep "paperless-ngx:"
-      - run: cd src && nix build .#kubenix.x86_64-linux
-      - run: /nix/store/gabs49v4yacq6hdd1s5bnjyfrx1yaan3-bash-interactive-5.2-p15/bin/bash src/result/bin/kubenix
+      - run: |
+          cd src
+          nix build .#kubenix.x86_64-linux
+          bash result/bin/kubenix render