Update cachix/install-nix-action action to v31.11.0 (#387)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build-and-publish.yml

@@ -20,7 +20,7 @@ jobs:
           filter: tree:0
 
       - name: Install Nix
-        uses: cachix/install-nix-action@a49548c11d9846ad46ecc0115273879b045f001c # v31.10.7
+        uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342 # v31.11.0
 
       - name: Setup dev environment
         shell: &dev-shell 'nix develop -c bash -eo pipefail {0}'

.github/workflows/build.yml

@@ -23,7 +23,7 @@ jobs:
           filter: tree:0
 
       - name: Install Nix
-        uses: cachix/install-nix-action@a49548c11d9846ad46ecc0115273879b045f001c # v31.10.7
+        uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342 # v31.11.0
 
       - name: Setup dev environment
         shell: &dev-shell 'nix develop -c bash -eo pipefail {0}'