chore(deps): pin dependencies (#4970)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [ghcr.io/renovatebot/renovate](https://renovatebot.com) ([source](https://github.com/renovatebot/renovate)) | container | pinDigest |  → `9228574` |
| [niniyas/ntfy-action](https://github.com/niniyas/ntfy-action) | action | pinDigest |  → `96acac5` |

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### 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 is behind base branch, or you tick the rebase/retry checkbox.

👻 **Immortal**: This PR will be recreated if closed unmerged. Get [config help](https://github.com/renovatebot/renovate/discussions) if that's undesired.

---

 - [ ] <!-- 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).
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Reviewed-on: #4970
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

.gitea/workflows/renovate.yaml

@@ -13,7 +13,7 @@ on:
 jobs:
   renovate:
     runs-on: ubuntu-latest
-    container: ghcr.io/renovatebot/renovate:43.84.2
+    container: ghcr.io/renovatebot/renovate:43.84.2@sha256:92285747b3aac062a4f567762c272a12dce037843a20177a02c95b7c420e20cb
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6