Rename workflow and add Ubuntu support

.github/workflows/check_ed.yml

@@ -0,0 +1,26 @@
+name: "Test ed template MacOS"
+on:
+  workflow_dispatch: # allows manual triggering
+  push:
+    branches:
+      - 'update_rde'
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+jobs:
+  tests:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-latest]
+    steps:
+    - uses: actions/checkout@v6
+    - uses: cachix/install-nix-action@v31
+      with:
+        github_access_token: ${{ secrets.GITHUB_TOKEN }}
+    - uses: cachix/cachix-action@v17
+      with:
+        name: rde
+        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+        extraPullNames: rstats-on-nix, nix-community
+    - run: nix build ./templates/ed