Bump nixbuild/nix-quick-install-action from 26 to 27

Bumps [nixbuild/nix-quick-install-action](https://github.com/nixbuild/nix-quick-install-action) from 26 to 27.
- [Release notes](https://github.com/nixbuild/nix-quick-install-action/releases)
- [Changelog](https://github.com/nixbuild/nix-quick-install-action/blob/master/RELEASE)
- [Commits](https://github.com/nixbuild/nix-quick-install-action/compare/v26...v27)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/hosts.yml

@@ -28,7 +28,7 @@ jobs:
         ref: ${{ github.head_ref }}
 
     - name: Install nix
-      uses: nixbuild/nix-quick-install-action@v26
+      uses: nixbuild/nix-quick-install-action@v27
       with:
         load_nixConfig: false
         nix_conf: |

.github/workflows/iso.yml

@@ -20,7 +20,7 @@ jobs:
         ref: ${{ github.head_ref }}
 
     - name: Install nix
-      uses: nixbuild/nix-quick-install-action@v26
+      uses: nixbuild/nix-quick-install-action@v27
       with:
         load_nixConfig: false
         nix_conf: |