deps: update golangci/golangci-lint-action action to v6 (#751)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[golangci/golangci-lint-action](https://togithub.com/golangci/golangci-lint-action)
| action | major | `v5` -> `v6` |

---

### Release Notes

<details>
<summary>golangci/golangci-lint-action
(golangci/golangci-lint-action)</summary>

###
[`v6`](https://togithub.com/golangci/golangci-lint-action/compare/v5...v6)

[Compare
Source](https://togithub.com/golangci/golangci-lint-action/compare/v5...v6)

</details>

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.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
         run: diff -u <(echo -n) <(gofmt -d -s .)
 
       - name: Run golangci-lint
-        uses: golangci/golangci-lint-action@v5
+        uses: golangci/golangci-lint-action@v6
         with:
           # Required: the version of golangci-lint is required and must be specified with patch version
           version: v1.58.0 # renovate: datasource=github-releases depName=golangci/golangci-lint