Bump DeterminateSystems/nix-installer-action from 14 to 16

Bumps [DeterminateSystems/nix-installer-action](https://github.com/determinatesystems/nix-installer-action) from 14 to 16.
- [Release notes](https://github.com/determinatesystems/nix-installer-action/releases)
- [Commits](DeterminateSystems/nix-installer-action@da36cb6...e50d5f7)

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

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

Author: dependabot[bot]

.github/workflows/nix-integration-test.yml

@@ -13,5 +13,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-      - uses: DeterminateSystems/nix-installer-action@da36cb69b1c3247ad7a1f931ebfd954a1105ef14 # v14
+      - uses: DeterminateSystems/nix-installer-action@e50d5f73bfe71c2dd0aa4218de8f4afa59f8f81d # v16
       - run: nix flake check

.github/workflows/update-flake-lock.yml

@@ -14,6 +14,6 @@ jobs:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
           ssh-key: ${{ secrets.UPDATE_FLAKE_LOCK_SSH_KEY }}
-      - uses: DeterminateSystems/nix-installer-action@da36cb69b1c3247ad7a1f931ebfd954a1105ef14 # v14
+      - uses: DeterminateSystems/nix-installer-action@e50d5f73bfe71c2dd0aa4218de8f4afa59f8f81d # v16
       - name: Update flake.lock
         uses: DeterminateSystems/update-flake-lock@a2bbe0274e3a0c4194390a1e445f734c597ebc37 # v24