exclude sponsors PRs from release notes (#3499)

- **PR Description**

- **Please check if the PR fulfills these requirements**

* [ ] Cheatsheets are up-to-date (run `go generate ./...`)
* [ ] Code has been formatted (see
[here](https://github.com/jesseduffield/lazygit/blob/master/CONTRIBUTING.md#code-formatting))
* [ ] Tests have been added/updated (see
[here](https://github.com/jesseduffield/lazygit/blob/master/pkg/integration/README.md)
for the integration test guide)
* [ ] Text is internationalised (see
[here](https://github.com/jesseduffield/lazygit/blob/master/CONTRIBUTING.md#internationalisation))
* [ ] Docs (specifically `docs/Config.md`) have been updated if
necessary
* [ ] You've read through your own file changes for silly mistakes etc

<!--
Be sure to name your PR with an imperative e.g. 'Add worktrees view'
see https://github.com/jesseduffield/lazygit/releases/tag/v0.40.0 for
examples
-->

.github/workflows/sponsors.yml

@@ -15,7 +15,7 @@ jobs:
         uses: JamesIves/github-sponsors-readme-action@v1.2.2
         with:
           token: ${{ secrets.SPONSORS_TOKEN }}
-          file: 'README.md'
+          file: "README.md"
         if: ${{ github.repository == 'jesseduffield/lazygit' }}
 
       - name: Create Pull Request 🚀
@@ -24,4 +24,5 @@ jobs:
           commit-message: "README.md: Update Sponsors"
           title: "README.md: Update Sponsors"
           author: "github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>"
+          labels: "ignore-for-release"
           delete-branch: true