Add Winget Releaser workflow

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/ci.yml

@@ -234,3 +234,14 @@ jobs:
           ssh_private_key: ${{ secrets.AUR_SSH_PRIVATE_KEY }}
           commit_message: ${{ github.event.ref }}
           force_push: "true"
+  winget-publish:
+    name: Publish to Winget
+    needs: release
+    if: ${{ !contains(github.ref, 'pre') }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: vedantmgoyal9/winget-releaser@main
+        with:
+          identifier: Fly-io.flyctl
+          installers-regex: '_Windows_\w+\.zip$'
+          token: ${{ secrets.GORELEASER_GITHUB_TOKEN }}

README.md

@@ -9,6 +9,17 @@ During the transition, note that where you see `flyctl` as a command it can be r
 
 ## Using a Package Manager
 
+#### [Winget](https://learn.microsoft.com/en-us/windows/package-manager/) (Windows)
+
+```powershell
+winget install flyctl
+```
+To upgrade to the latest version:
+
+```powershell
+winget upgrade flyctl
+```
+
 #### [Homebrew](https://brew.sh) (macOS, Linux, WSL)
 
 ```bash