feat: add workflow to upload Yarn binary to GitHub Release (#74)

* feat: add upload-yarn-binary workflow

* fix: add lint and remove gh installation

* fix: add yarn url to output

* fix: add checkout step

* fix: apply changes suggested

Author: Qbandev

.github/workflows/upload-yarn-binary.yml

@@ -0,0 +1,53 @@
+name: Upload Yarn Binary to GitHub Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      yarn_version:
+        description: 'Yarn version to upload (e.g., 4.9.1)'
+        required: true
+        type: string
+
+jobs:
+  upload-yarn-binary:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      packages: write
+    env:
+      YARN_VERSION: ${{ github.event.inputs.yarn_version }}
+      YARN_FILENAME: yarn-${{ github.event.inputs.yarn_version }}.js
+      RELEASE_TAG: v${{ github.event.inputs.yarn_version }}
+    outputs:
+      download_url: ${{ steps.output-url.outputs.download_url }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Download yarn.js binary
+        run: |
+          curl -L -o "${YARN_FILENAME}" "https://repo.yarnpkg.com/${YARN_VERSION}/packages/yarnpkg-cli/bin/yarn.js"
+          ls -lh "${YARN_FILENAME}"
+
+      - name: Display SHA256 checksum
+        run: |
+          sha256sum "${YARN_FILENAME}"
+
+      - name: Create or update GitHub Release
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release view "${RELEASE_TAG}" || gh release create "${RELEASE_TAG}" --title "Yarn ${YARN_VERSION}" --notes "Yarn CLI ${YARN_VERSION} binary."
+
+      - name: Upload yarn.js to GitHub Release
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release upload "${RELEASE_TAG}" "${YARN_FILENAME}" --clobber
+
+      - name: Output download URL
+        id: output-url
+        run: |
+          url="https://github.com/${GITHUB_REPOSITORY}/releases/download/${RELEASE_TAG}/${YARN_FILENAME}"
+          echo "Download URL: ${url}"
+          echo "download_url=${url}" >> "${GITHUB_OUTPUT}"