Bump cachix/install-nix-action from 13 to 17

Bumps [cachix/install-nix-action](https://github.com/cachix/install-nix-action) from 13 to 17.
- [Release notes](https://github.com/cachix/install-nix-action/releases)
- [Commits](cachix/install-nix-action@v13...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

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - uses: cachix/install-nix-action@v13
+    - uses: cachix/install-nix-action@v17
     - run: nix-build -A hydraJobs.release
   ubuntu:
     runs-on: ubuntu-latest

.github/workflows/publish.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-      - uses: cachix/install-nix-action@v13
+      - uses: cachix/install-nix-action@v17
       - name: Build tarballs
         run: |
           nix-build -A hydraJobs.tarball