Update taiki-e/create-gh-release-action digest to 56a8b3f (#44)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[taiki-e/create-gh-release-action](https://redirect.github.com/taiki-e/create-gh-release-action)
| action | digest | [`26b8050` ->
`56a8b3f`](https://redirect.github.com/taiki-e/create-gh-release-action/compare/26b8050...56a8b3f)
|

---

### Configuration

📅 **Schedule**: Branch creation - "after 8pm,before 6am" in timezone
America/Los_Angeles, Automerge - "after 8pm,before 6am" in timezone
America/Los_Angeles.

🚦 **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

---

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Bot](https://redirect.github.com/renovatebot/renovate).

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.github/workflows/release.yml

@@ -26,7 +26,7 @@ jobs:
         uses: taiki-e/install-action@69e777b377e4ec209ddad9426ae3e0c1008b0ef3 # v2
         with:
           tool: cargo-release@0.25.17,just
-      - uses: taiki-e/create-gh-release-action@26b80501670402f1999aff4b934e1574ef2d3705 # v1
+      - uses: taiki-e/create-gh-release-action@56a8b3f8449593aa02b91f7b84da564f476e94f0 # v1
         with:
           prefix: dropshot-api-manager
           changelog: CHANGELOG.md