Add files via upload

.github/workflows/release-build.yml

@@ -0,0 +1,51 @@
+name: CI-release-build
+
+on:
+    workflow_dispatch:
+
+jobs:
+  create_package:
+    runs-on: ubuntu-20.04
+
+    steps:
+      - name: init env
+        shell: bash
+        run: |
+          pwd
+          mkdir -p ./artifact
+
+      - name: set release date
+        run: |
+          echo "RELEASE_DATE=$(date +%Y%m%d-%H%M%s)" >> ${GITHUB_ENV}
+
+      - name: download release artifact
+        uses: dawidd6/action-download-artifact@v2
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          workflow: mingw64.yml
+          name: QGIS for Windows 64bit
+          path: ./artifact
+          repo: qgis/QGIS
+
+      - name: download debug symbols
+        uses: dawidd6/action-download-artifact@v2
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          workflow: mingw64.yml
+          name: QGIS for Windows 64bit Debug Symbols
+          path: ./artifact
+          repo: qgis/QGIS
+
+      - name: Display structure of downloaded files
+        run: ls -al
+        working-directory: ./artifact
+
+      - name: pack downloaded files
+        run: zip -r QGIS_Windows_x64.zip ./artifact
+
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        with:
+          name: QGIS_Windows_x64
+          tag_name: ${{ env.RELEASE_DATE }}
+          files: QGIS_Windows_x64.zip