Update actions/setup-go action to v4 (main) (#3565)

[![Mend Renovate logo
banner](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/setup-go](https://togithub.com/actions/setup-go) | action |
major | `v1` -> `v4` |

---

### Release Notes

<details>
<summary>actions/setup-go (actions/setup-go)</summary>

### [`v4`](https://togithub.com/actions/setup-go/compare/v3...v4)

[Compare Source](https://togithub.com/actions/setup-go/compare/v3...v4)

### [`v3`](https://togithub.com/actions/setup-go/compare/v2...v3)

[Compare Source](https://togithub.com/actions/setup-go/compare/v2...v3)

### [`v2`](https://togithub.com/actions/setup-go/compare/v1...v2)

[Compare Source](https://togithub.com/actions/setup-go/compare/v1...v2)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Mend
Renovate](https://www.mend.io/free-developer-tools/renovate/). View
repository job log
[here](https://developer.mend.io/github/earthly/earthly).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy41OS44IiwidXBkYXRlZEluVmVyIjoiMzcuNTkuOCIsInRhcmdldEJyYW5jaCI6Im1haW4ifQ==-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/actions/stage2-setup/action.yml

@@ -43,7 +43,7 @@ runs:
       with:
         image: tonistiigi/binfmt:latest
         platforms: all
-    - uses: actions/setup-go@v1
+    - uses: actions/setup-go@v4
       with:
         go-version: 1.20
     - if: ${{ inputs.BINARY == 'podman' }}