Bumps [cachix/install-nix-action](https://github.com/cachix/install-nix-action) from 31.6.1 to 31.6.2.
- [Release notes](https://github.com/cachix/install-nix-action/releases)
- [Changelog](https://github.com/cachix/install-nix-action/blob/master/RELEASE.md)
- [Commits](7be5dee142...a809471b5c)
---
updated-dependencies:
- dependency-name: cachix/install-nix-action
dependency-version: 31.6.2
dependency-type: direct:production
update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>