Apply review suggestions: use macos-14 for ARM64, target specific packages, simplify tar command

Co-authored-by: Steake <530040+Steake@users.noreply.github.com>

Author: Copilot

.github/workflows/release.yml

@@ -25,7 +25,7 @@ jobs:
           - os: macos-latest
             target: x86_64-apple-darwin
             artifact_name: bitcell-macos-x86_64
-          - os: macos-latest
+          - os: macos-14  # Native ARM64 runner
             target: aarch64-apple-darwin
             artifact_name: bitcell-macos-aarch64
           - os: windows-latest
@@ -52,7 +52,7 @@ jobs:
             ${{ runner.os }}-${{ matrix.target }}-cargo-
 
       - name: Build release binaries
-        run: cargo build --release --target ${{ matrix.target }}
+        run: cargo build --release --target ${{ matrix.target }} -p bitcell-node -p bitcell-admin
 
       - name: Create artifact directory
         shell: bash
@@ -77,7 +77,7 @@ jobs:
         shell: bash
         run: |
           cd artifacts
-          tar -czvf ../${{ matrix.artifact_name }}.tar.gz ./*
+          tar -czvf ../${{ matrix.artifact_name }}.tar.gz *
           cd ..
 
       - name: Create archive (Windows)