Fix release ci step around checkout: (#343)

## Description


Fixes GitHub actions error:
"Error: Can't find 'action.yml', 'action.yaml' or 'Dockerfile' under '/home/runner/work/cluster-api-provider-tinkerbell/cluster-api-provider-tinkerbell/.github/actions/setup-go'. Did you forget to run actions/checkout before running your local action?"

## Why is this needed

Release CI is broken.



Fixes: #

## How Has This Been Tested?





## How are existing users impacted? What migration steps/scripts do we need?





## Checklist:

I have:

- [ ] updated the documentation and/or roadmap (if required)
- [ ] added unit or e2e tests
- [ ] provided instructions on how to upgrade

Author: mergify[bot]

.github/workflows/release.yaml

@@ -89,7 +89,10 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: ./.github/actions/setup-go
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "${{ env.GO_VERSION }}"
+          cache: true
 
       - uses: actions/cache@v4
         with: