chore(deps): Update github-actions dependency amannn/action-semantic-pull-request to v6 (#5945)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[amannn/action-semantic-pull-request](https://redirect.github.com/amannn/action-semantic-pull-request)
| action | major | `v5` → `v6` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the [Dependency
Dashboard](../issues/4569) for more information.

---

### Release Notes

<details>
<summary>amannn/action-semantic-pull-request
(amannn/action-semantic-pull-request)</summary>

###
[`v6`](https://redirect.github.com/amannn/action-semantic-pull-request/compare/v5...v6)

[Compare
Source](https://redirect.github.com/amannn/action-semantic-pull-request/compare/v5...v6)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - Between 06:00 AM and 10:59 AM, only on
Monday ( * 6-10 * * 1 ) (UTC), Automerge - At any time (no schedule
defined).

🚦 **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

---

## Need help?
You can ask for more help in the following Slack channel:
#proj-renovate-self-hosted. In that channel you can also find ADR and
FAQ docs in the Resources section.

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.github/workflows/release-lint-pr-title.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Validate PR title 🔎
-        uses: amannn/action-semantic-pull-request@e32d7e603df1aa1ba07e981f2a23455dee596825 # v5
+        uses: amannn/action-semantic-pull-request@48f256284bd46cdaab1048c3721360e808335d50 # v6
         env:
           GITHUB_TOKEN: ${{ github.token }}
         with: