chore(deps): update determinatesystems/nix-installer-action action to v22

Author: renovate[bot]

.github/workflows/check.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: DeterminateSystems/nix-installer-action@v21
+      - uses: DeterminateSystems/nix-installer-action@v22
         with:
           extra-conf: |
             accept-flake-config = true

.github/workflows/update.yaml

@@ -11,7 +11,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - uses: fregante/setup-git-user@v2
-      - uses: DeterminateSystems/nix-installer-action@v21
+      - uses: DeterminateSystems/nix-installer-action@v22
         with:
           extra-conf: |
             accept-flake-config = true