Merge pull request #2300 from tweag/dependabot/github_actions/cachix/install-nix-action-31

Bump cachix/install-nix-action from 30 to 31

Author: mergify[bot]

.github/workflows/update-ghc.yaml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           ref: master
-      - uses: cachix/install-nix-action@v30
+      - uses: cachix/install-nix-action@v31
         with:
           nix_path: nixpkgs=nixpkgs/default.nix
       - name: Fetch updates

.github/workflows/workflow.yaml

@@ -71,7 +71,7 @@ jobs:
         with:
           path: ~/repo-cache
           key: repo-cache-${{ runner.os }}-nixpkgs-${{ env.cache-version }}
-      - uses: cachix/install-nix-action@v30
+      - uses: cachix/install-nix-action@v31
         with:
           nix_path: nixpkgs=./nixpkgs/default.nix
           extra_nix_config: |