Bump cachix/install-nix-action from 16 to 17

Bumps [cachix/install-nix-action](https://github.com/cachix/install-nix-action) from 16 to 17.
- [Release notes](https://github.com/cachix/install-nix-action/releases)
- [Commits](cachix/install-nix-action@v16...v17)

---
updated-dependencies:
- dependency-name: cachix/install-nix-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: "${{ matrix.os }}"
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v16
+      - uses: cachix/install-nix-action@v17
       - uses: cachix/cachix-action@v10
         with:
           name: tree-grepper
@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v16
+      - uses: cachix/install-nix-action@v17
       - uses: cachix/cachix-action@v10
         with:
           name: tree-grepper