build(deps): bump taiki-e/install-action from 2.7.2 to 2.8.1 (#230)

Bumps [taiki-e/install-action](https://github.com/taiki-e/install-action) from 2.7.2 to 2.8.1.
- [Release notes](https://github.com/taiki-e/install-action/releases)
- [Changelog](https://github.com/taiki-e/install-action/blob/main/CHANGELOG.md)
- [Commits](taiki-e/install-action@a24dd0e...cbbb8cb)

---
updated-dependencies:
- dependency-name: taiki-e/install-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -153,7 +153,7 @@ jobs:
           toolchain: stable
           components: clippy, llvm-tools-preview, rustfmt, rust-docs
       - name: install cargo-llvm-cov
-        uses: taiki-e/install-action@a24dd0e0c4266ae898414a44466cc7ce1445b31a
+        uses: taiki-e/install-action@cbbb8cb93ff0f3bc59370e852aedd7dfa09dbaba
         with:
           tool: cargo-llvm-cov
       - name: cargo build