Pin dependencies (#5)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| catthehacker/ubuntu | container | pinDigest |  -> `89367f3` |
| [https://github.com/oven-sh/setup-bun](https://github.com/oven-sh/setup-bun) | action | pinDigest |  -> `4bc047a` |
| https://www.coastalcommits.com/actions/ssh-agent | action | pinDigest |  ->  |

---

### 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.

👻 **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: https://www.coastalcommits.com/GalacticFactory/PackwizJS/pulls/5
Co-authored-by: Renovate <renovate@coastalcommits.com>
Co-committed-by: Renovate <renovate@coastalcommits.com>

.forgejo/workflows/docs.yml

@@ -9,7 +9,7 @@ jobs:
   docs:
     name: Build and Push Documentation
     runs-on: docker
-    container: catthehacker/ubuntu:act-latest
+    container: catthehacker/ubuntu:act-latest@sha256:89367f3c5437699c6b43fa941041725bcc77682a46f2bbe6557541e384d9cedb
     steps:
       - name: Checkout repository
         uses: https://github.com/actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
@@ -21,7 +21,7 @@ jobs:
       - name: Add instance URLs to known_hosts
         run: ssh-keyscan -H coastalcommits.com >> ~/.ssh/known_hosts
       - name: Setup Bun
-        uses: https://github.com/oven-sh/setup-bun@v2
+        uses: https://github.com/oven-sh/setup-bun@4bc047ad259df6fc24a6c9b0f9a0cb08cf17fbe5 # v2
         with:
           bun-version: latest
       - name: Configure Git