ci: cancel stale nix-hashes runs (anomalyco#19571)

Hona · web-flow · commit fee1e25ab4b8 · 2026-03-29T10:39:02.000+10:00
diff --git a/.github/workflows/nix-hashes.yml b/.github/workflows/nix-hashes.yml
@@ -17,6 +17,10 @@ on:
       - "patches/**"
       - ".github/workflows/nix-hashes.yml"
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   # Native runners required: bun install cross-compilation flags (--os/--cpu)
   # do not produce byte-identical node_modules as native installs.
