Enable Nix-aware cargo caching on macOS release builds

Author: niteshbalusu11

.github/workflows/release.yml

@@ -19,7 +19,7 @@ env:
 jobs:
   macos:
     name: macOS ARM64 DMG
-    runs-on: macOS
+    runs-on: blacksmith-6vcpu-macos-26
     timeout-minutes: 90
     env:
       APPLE_CERTIFICATE_P12_BASE64: ${{ secrets.APPLE_CERTIFICATE_P12_BASE64 }}
@@ -35,14 +35,23 @@ jobs:
         with:
           clean: false
 
-      # - name: Cache cargo registry and Rust dependencies
-      #   uses: Swatinem/rust-cache@v2
-      #   with:
-      #     shared-key: release-${{ runner.os }}-desktop-v2
-      #     workspaces: |
-      #       . -> target
-      #     cache-on-failure: "true"
-      #     cmd-format: nix develop --accept-flake-config -c {0}
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@main
+        with:
+          extra-conf: |
+            accept-flake-config = true
+
+      - name: Cache Nix store
+        uses: DeterminateSystems/magic-nix-cache-action@main
+
+      - name: Cache cargo registry and Rust dependencies
+        uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: release-${{ runner.os }}-desktop-v2
+          workspaces: |
+            . -> target
+          cache-on-failure: "true"
+          cmd-format: nix develop --accept-flake-config -c {0}
 
       - name: Install cargo-packager
         run: nix develop --accept-flake-config -c cargo install cargo-packager --locked --version 0.11.8