chore(deps): update dependency golangci/golangci-lint to v1.64.7 (main) (cloudnative-pg#7137)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[golangci/golangci-lint](https://redirect.github.com/golangci/golangci-lint)
| patch | `1.64.6` -> `1.64.7` |

---

### Release Notes

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

###
[`v1.64.7`](https://redirect.github.com/golangci/golangci-lint/blob/HEAD/CHANGELOG.md#v1647)

[Compare
Source](https://redirect.github.com/golangci/golangci-lint/compare/v1.64.6...v1.64.7)

1.  Linters bug fixes
    -   `depguard`: from 2.2.0 to 2.2.1
- `dupl`: from
[`3e9179a`](https://redirect.github.com/golangci/golangci-lint/commit/3e9179ac440a)
to
[`f665c8d`](https://redirect.github.com/golangci/golangci-lint/commit/f665c8d69b32)
    -   `gosec`: from 2.22.1 to 2.22.2
    -   `staticcheck`: from 0.6.0 to 0.6.1
2.  Documentation
    -   Add GitLab documentation

</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**: Never, 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 was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/cloudnative-pg/cloudnative-pg).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS4xOTQuMSIsInVwZGF0ZWRJblZlciI6IjM5LjE5NC4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJhdXRvbWF0ZWQiLCJkbyBub3QgYmFja3BvcnQiLCJuby1pc3N1ZSJdfQ==-->

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

Author: renovate[bot]

.github/workflows/continuous-integration.yml

@@ -17,7 +17,7 @@ on:
 # set up environment variables to be used across all the jobs
 env:
   GOLANG_VERSION: "1.24.x"
-  GOLANGCI_LINT_VERSION: "v1.64.6"
+  GOLANGCI_LINT_VERSION: "v1.64.7"
   KUBEBUILDER_VERSION: "2.3.1"
   KIND_VERSION: "v0.27.0"
   OPERATOR_IMAGE_NAME: "ghcr.io/${{ github.repository }}-testing"