ci(github-action): update determinatesystems/nix-installer-action ( ab0a973 ➔ a4f499a )

Author: renovate[bot]

.github/workflows/nix-github-actions.yml

@@ -13,7 +13,7 @@ jobs:
     outputs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
-      - uses: DeterminateSystems/nix-installer-action@ab0a9732c6464e5bb81efb82a2103c7d98f0946f
+      - uses: DeterminateSystems/nix-installer-action@a4f499a84c7bd15903c67fa79a1d98dd9b6d8c84
       - uses: DeterminateSystems/magic-nix-cache-action@3da28ac55915fb715726a94634c7f4bf2065a0c2
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - id: set-matrix
@@ -32,7 +32,7 @@ jobs:
       matrix: ${{fromJSON(needs.nix-matrix.outputs.matrix)}}
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
-      - uses: DeterminateSystems/nix-installer-action@ab0a9732c6464e5bb81efb82a2103c7d98f0946f
+      - uses: DeterminateSystems/nix-installer-action@a4f499a84c7bd15903c67fa79a1d98dd9b6d8c84
       - uses: DeterminateSystems/magic-nix-cache-action@3da28ac55915fb715726a94634c7f4bf2065a0c2
       - uses: cachix/cachix-action@0fc020193b5a1fa3ac4575aa3a7d3aa6a35435ad # v16
         with: