workflow updates

.forgejo/workflows/ci.yaml

@@ -0,0 +1,16 @@
+name: "CI"
+on:
+  pull_request:
+  push:
+
+jobs:
+  checks:
+    runs-on: nix
+    steps:
+      - uses: actions/checkout@v4
+      - uses: https://codeberg.org/icewind/attic-action@v1
+        with:
+          name: link
+          instance: https://cache.icewind.link
+          authToken: "${{ secrets.ATTIC_TOKEN }}"
+      - run: nix flake check --keep-going

.github/workflows/ci.yaml

@@ -1,16 +0,0 @@
-on: [push, pull_request]
-
-name: Continuous integration
-
-jobs:
-  checks:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v27
-      - uses: icewind1991/attic-action@v1
-        with:
-          name: ci
-          instance: https://cache.icewind.me
-          authToken: "${{ secrets.ATTIC_TOKEN }}"
-      - run: nix flake check --keep-going