chore(deps): update peter-evans/create-pull-request action to v8 (#164)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[peter-evans/create-pull-request](https://redirect.github.com/peter-evans/create-pull-request)
| action | major | `v7.0.11` -> `v8.0.0` |

---

### Release Notes

<details>
<summary>peter-evans/create-pull-request
(peter-evans/create-pull-request)</summary>

###
[`v8.0.0`](https://redirect.github.com/peter-evans/create-pull-request/compare/v7.0.11...v8.0.0)

[Compare
Source](https://redirect.github.com/peter-evans/create-pull-request/compare/v7.0.11...v8.0.0)

</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**: 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 was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/DrupalSecurityTeam/drupal-advisory-database).

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Author: renovate[bot]

.github/workflows/generate.yml

@@ -31,7 +31,7 @@ jobs:
       - run: poetry run scripts/download_sa_advisories.py
       - run: poetry run scripts/precache_nodes.py
       - run: poetry run scripts/generate_osv_advisories.py
-      - uses: peter-evans/create-pull-request@22a9089034f40e5a961c8808d113e2c98fb63676 # v7.0.11
+      - uses: peter-evans/create-pull-request@98357b18bf14b5342f975ff684046ec3b2a07725 # v8.0.0
         with:
           token: ${{ secrets.GENERATOR_GH_TOKEN }}
           title: 'feat: update advisories'