chore: bump nixbuild/nix-quick-install-action from 15 to 16 (#94)

Bumps [nixbuild/nix-quick-install-action](https://github.com/nixbuild/nix-quick-install-action) from 15 to 16.
- [Release notes](https://github.com/nixbuild/nix-quick-install-action/releases)
- [Changelog](https://github.com/nixbuild/nix-quick-install-action/blob/master/RELEASE)
- [Commits](nixbuild/nix-quick-install-action@v15...v16)

---
updated-dependencies:
- dependency-name: nixbuild/nix-quick-install-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/build-docker-image.yaml

@@ -29,7 +29,7 @@ jobs:
       with:
         fetch-depth: 0
 
-    - uses: nixbuild/nix-quick-install-action@v15
+    - uses: nixbuild/nix-quick-install-action@v16
       with:
         nix_version: 2.4
         nix_conf: |

.github/workflows/test.yaml

@@ -17,7 +17,7 @@ jobs:
       with:
         fetch-depth: 0
 
-    - uses: nixbuild/nix-quick-install-action@v15
+    - uses: nixbuild/nix-quick-install-action@v16
       with:
         nix_version: 2.4
         nix_conf: |