Merge pull request #41 from rpearce/dependabot/github_actions/cachix/install-nix-action-31

Author: rpearce

.github/workflows/main.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Nix
-        uses: cachix/install-nix-action@v30
+        uses: cachix/install-nix-action@v31
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
           extra_nix_config: |