add the step for creating GH release, and fix typo in filename

.github/workflows/release.yaml

@@ -264,3 +264,41 @@ jobs:
         run: |
           docker buildx imagetools inspect  ${{ env.IMAGE }}:${{ env.TAG_SUC }}            
 
+  github_release:
+    runs-on: ubuntu-latest
+    needs:
+      - merge
+      - merge-suc
+    permissions:
+      contents: write # needed for creating the GH release
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Download binary
+        uses: actions/download-artifact@v4
+        with:
+          pattern: binary-*
+          path: bin
+
+      - name: Prepare release
+        run: |
+          mkdir tmp
+          for DIR in bin/binary-*; do
+            if [[ -d "$DIR" && -f "$DIR/rancher-system-agent" ]]; then
+              ARCH=$(echo "$DIR" | awk -F'-' '{print $NF}')
+              mv "$DIR/rancher-system-agent" "tmp/rancher-system-agent-$ARCH"
+            fi
+          done
+          cp install.sh system-agent-uninstall.sh tmp
+          mkdir dist
+          for file in tmp/*; do
+            sha256sum "$file" >> dist/sha256sum.txt
+          done
+          mv tmp/* dist
+
+      - name: Create release
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run:
+          gh release create ${{ github.ref_name }} --verify-tag --generate-notes dist/*