Bump cachix/cachix-action from 13 to 14 (#1162)

Bumps [cachix/cachix-action](https://github.com/cachix/cachix-action) from 13 to 14.
- [Release notes](https://github.com/cachix/cachix-action/releases)
- [Commits](cachix/cachix-action@v13...v14)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/release.yml

@@ -39,7 +39,7 @@ jobs:
         uses: DeterminateSystems/nix-installer-action@v9
 
       - name: Configure Cachix
-        uses: cachix/cachix-action@v13
+        uses: cachix/cachix-action@v14
         with:
           name: trailofbits
           authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}