Merge pull request #119 from tweag/renovate/cachix-install-nix-action-31.x

chore(deps): update cachix/install-nix-action action to v31.6.1

Author: mergify[bot]

.github/workflows/workflow.yaml

@@ -32,7 +32,7 @@ jobs:
         with:
           path: ~/repo-cache
           key: repo-cache-${{ runner.os }}-nixpkgs-${{ env.cache-version }}
-      - uses: cachix/install-nix-action@56a7bb7b56d9a92d4fd1bc05758de7eea4a370a8 # v31.6.0
+      - uses: cachix/install-nix-action@7be5dee1421f63d07e71ce6e0a9f8a4b07c2a487 # v31.6.1
         with:
           nix_path: nixpkgs=./nixpkgs.nix
       - uses: tweag/configure-bazel-remote-cache-auth@144b0b915f13a418f5eafe2f68d19564ec136c62 # v0.1.1