ci: add macos package release job

Author: mideco-tech

.github/workflows/release.yml

@@ -34,3 +34,30 @@ jobs:
           else
             gh release create "$TAG_NAME" dist/* --title "$TAG_NAME" --generate-notes
           fi
+  macos-pkg:
+    needs: build
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - arch: amd64
+            runner: macos-15-intel
+          - arch: arm64
+            runner: macos-15
+    runs-on: ${{ matrix.runner }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.26.x"
+      - name: Build macOS pkg
+        env:
+          MACOS_PKG_ARCHES: ${{ matrix.arch }}
+        run: scripts/build-macos-pkg.sh
+      - name: Upload macOS pkg
+        env:
+          GH_TOKEN: ${{ github.token }}
+          TAG_NAME: ${{ github.ref_name }}
+        run: gh release upload "$TAG_NAME" dist/*.pkg --clobber