build(deps): bump taiki-e/install-action from 2.6.13 to 2.6.18 (#219)

Bumps [taiki-e/install-action](https://github.com/taiki-e/install-action) from 2.6.13 to 2.6.18.
- [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@f0b89cd...7522ae0)

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

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@f0b89cda51dc27169e64a0dbc20182a1ec84d8ff
+        uses: taiki-e/install-action@7522ae03ca435a0ad1001ca93d6cd7cb8e81bd2f
         with:
           tool: cargo-llvm-cov
       - name: cargo build