Generate release notes in release pipeline

Author: containerscrew

.github/workflows/release.yml

@@ -61,7 +61,9 @@ jobs:
       - name: Release
         uses: softprops/action-gh-release@v1
         with:
-          body: '[Changelog](https://github.com/containerscrew/aws-sso-auth/blob/main/CHANGELOG.md)'
+          #body: '[Changelog](https://github.com/containerscrew/aws-sso-auth/blob/main/CHANGELOG.md)'
           files: "*.zip"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          generate_release_notes: true
+          append_body: true