chore(deps): update navikt/github-app-token-generator digest to a3831f4 (#374)

[![Mend
Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| navikt/github-app-token-generator | action | digest | `a9cd374` ->
`a3831f4` |

---

### Configuration

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

🚦 **Automerge**: Enabled.

♻ **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 [Mend
Renovate](https://www.mend.io/free-developer-tools/renovate/). View
repository job log
[here](https://app.renovatebot.com/dashboard#github/netlify/functions).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNC44NC4yIiwidXBkYXRlZEluVmVyIjoiMzQuODQuMiJ9-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/release-please.yml

@@ -7,7 +7,7 @@ jobs:
   release-please:
     runs-on: ubuntu-latest
     steps:
-      - uses: navikt/github-app-token-generator@a9cd374e271b8aef573b8c16ac46c44fb89b02db
+      - uses: navikt/github-app-token-generator@a3831f44404199df32d8f39f7c0ad9bb8fa18b1c
         id: get-token
         with:
           private-key: ${{ secrets.TOKENS_PRIVATE_KEY }}