upload binaries to release

.github/workflows/release.yml

+name: Release
+
+on:
+  release:
+    types: [created]
+
+
+jobs:
+  release-binaries:
+    name: Build release binaries
+    runs-on: ubuntu-18.04
+    strategy:
+      matrix:
+        target:
+          - x86_64-unknown-linux-musl
+          - armv7-unknown-linux-musleabihf
+          - aarch64-unknown-linux-musl
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+          target: ${{ matrix.target }}
+      - uses: Swatinem/rust-cache@v1
+      - uses: actions-rs/cargo@v1
+        with:
+          use-cross: true
+          command: build
+          args: --release --target ${{ matrix.target }}
+      - name: Upload binary to release
+        uses: svenstaro/upload-release-action@v2
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: target/${{ matrix.target }}/release/notify-redis
+          asset_name: notify-redis-${{ matrix.target }}
+          tag: ${{ github.ref }}