chore(deps): bump cachix/install-nix-action from 25 to 26 (#395)

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -194,7 +194,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v25
+      - uses: cachix/install-nix-action@v26
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - uses: cachix/cachix-action@v14