Merge pull request #8 from NobbZ/dependabot/add-v2-config-file

.github/dependabot.yml

@@ -0,0 +1,14 @@
+version: 2
+updates:
+- package-ecosystem: github-actions
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "04:00"
+  open-pull-requests-limit: 10
+  reviewers:
+  - NobbZ
+  assignees:
+  - NobbZ
+  labels:
+  - CI

.github/workflows/environments.yml

@@ -45,11 +45,13 @@ jobs:
     steps:
     - uses: actions/checkout@v2.3.1
       with: { fetch-depth: 0 }
-    - if: github.ref == 'refs/heads/main'
-      uses: cachix/install-nix-action@v12
+    - uses: cachix/install-nix-action@v12
       with:
-        install_url: https://github.com/numtide/nix-flakes-installer/releases/download/nix-3.0pre20200820_4d77513/install
+        install_url: https://github.com/numtide/nix-flakes-installer/releases/download/nix-2.4pre20210207_fd6eaa1/install
         extra_nix_config: experimental-features = nix-command flakes
     - uses: cachix/cachix-action@v8
-      with: { name: nobbz, signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}' }
+      with:
+        name: nobbz
+        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
+        skipPush: github.ref != 'refs/heads/main'
     - run: nix build -L .#${{ matrix.hostname }}