chore(deps): update taiki-e/install-action digest to 18ab6bd (#43)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[taiki-e/install-action](https://redirect.github.com/taiki-e/install-action)
| action | digest | `56ab793` -> `18ab6bd` |

---

### 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**: Never, 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 was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/rustic-rs/rustic_scheduler).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC44MC4wIiwidXBkYXRlZEluVmVyIjoiMzguODAuMCIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiQS1kZXBlbmRlbmNpZXMiXX0=-->

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

.github/workflows/release-pr.yml

@@ -28,7 +28,7 @@ jobs:
       - uses: chainguard-dev/actions/setup-gitsign@main
       - uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2
       - name: Install cargo-release
-        uses: taiki-e/install-action@56ab7930c591507f833cbaed864d201386d518a8 # v2
+        uses: taiki-e/install-action@18ab6bde9dca8a1b7ffc34d915c2c21a581e253a # v2
         with:
           tool: cargo-release
       - uses: cargo-bins/release-pr@deeacca5a38bacc74a3f444b798f4b9bba40f6ad # v2