Publish new releases of topgrade to the Windows Package Manager with WinGet Releaser

Publish new releases of topgrade to the Windows Package Manager with WinGet Releaser (GitHb Action).

.github/workflows/update_winget.yml

@@ -0,0 +1,13 @@
+name: Publish to WinGet
+on:
+  release:
+    types: [released]
+jobs:
+  publish:
+    runs-on: windows-latest
+    steps:
+      - uses: vedantmgoyal2009/winget-releaser@v2
+        with:
+          identifier: topgrade-rs.topgrade
+          max-versions-to-keep: 5 # keep only latest 5 versions
+          token: ${{ secrets.WINGET_TOKEN }}