Merge pull request #367 from tweag/dependabot/github_actions/cachix/install-nix-action-31

chore(deps): bump cachix/install-nix-action from 30 to 31

Author: turion

.github/workflows/update-flake-lock.yml

@@ -11,7 +11,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@v30
+        uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}