Actions: Add warning on template string checks

.github/workflows/build.yml

@@ -44,6 +44,7 @@ jobs:
       run: nix-instantiate --eval -E '(import <nixpkgs> {}).lib.version'
     - name: Setup cachix
       uses: cachix/cachix-action@v10
+      # Don't replace the template string here!
       if: ${{ matrix.cachixName != '<YOUR_CACHIX_NAME>' }}
       with:
         name: ${{ matrix.cachixName }}
@@ -61,5 +62,6 @@ jobs:
       # TODO switch to default nixpkgs channel once nix-build-uncached 1.0.0 is in stable
       run: nix run -I 'nixpkgs=channel:nixos-unstable' nixpkgs.nix-build-uncached -c nix-build-uncached ci.nix -A cacheOutputs
     - name: Trigger NUR update
+      # Don't replace the template string here!
       if: ${{ matrix.nurRepo != '<YOUR_REPO_NAME>' }}
       run: curl -XPOST "https://nur-update.herokuapp.com/update?repo=${{ matrix.nurRepo }}"