chore(deps): update actions/setup-go action to v6

| datasource  | package          | from | to |
| ----------- | ---------------- | ---- | -- |
| github-tags | actions/setup-go | v2   | v6 |


Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>

Author: renovate-sh-app[bot]

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6
         with:
           go-version: 1.24.2
       - name: Build