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` |

---

### 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).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My44NC4yIiwidXBkYXRlZEluVmVyIjoiNDMuODQuMiIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiaW1hZ2UiXX0=-->

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

.gitea/workflows/lint-test-helm.yaml

@@ -209,7 +209,7 @@ jobs:
           exit $EXIT_CODE
 
       - name: ntfy Failed
-        uses: niniyas/ntfy-action@master
+        uses: niniyas/ntfy-action@96acac57fdc91d4c4f50b78486c1ed6f03f9f61c # master
         if: failure()
         with:
           url: '${{ secrets.NTFY_URL }}'
@@ -352,7 +352,7 @@ jobs:
           exit $EXIT_CODE
 
       - name: ntfy Failed
-        uses: niniyas/ntfy-action@master
+        uses: niniyas/ntfy-action@96acac57fdc91d4c4f50b78486c1ed6f03f9f61c # master
         if: failure()
         with:
           url: '${{ secrets.NTFY_URL }}'