Update dependency go to v1.23.5 (v10.0/forgejo) (#6644)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [go](https://go.dev/) ([source](https://github.com/golang/go)) | toolchain | patch | `1.23.4` -> `1.23.5` |

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - "* 0-3 * * *" (UTC).

🚦 **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 [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS4xMDYuMCIsInVwZGF0ZWRJblZlciI6IjM5LjEwNi4wIiwidGFyZ2V0QnJhbmNoIjoidjEwLjAvZm9yZ2VqbyIsImxhYmVscyI6WyJkZXBlbmRlbmN5LXVwZ3JhZGUiLCJ0ZXN0L25vdC1uZWVkZWQiXX0=-->

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/6644
Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org>
Co-authored-by: Renovate Bot <forgejo-renovate-action@forgejo.org>
Co-committed-by: Renovate Bot <forgejo-renovate-action@forgejo.org>

go.mod

@@ -2,7 +2,7 @@ module code.gitea.io/gitea
 
 go 1.23
 
-toolchain go1.23.4
+toolchain go1.23.5
 
 require (
 	code.forgejo.org/f3/gof3/v3 v3.10.2