chore(deps): bump taiki-e/install-action in the github-actions group (#26)

Bumps the github-actions group with 1 update: [taiki-e/install-action](https://github.com/taiki-e/install-action).


Updates `taiki-e/install-action` from 2.87.17 to 2.87.21
- [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@94c31af...4cef141)

---
updated-dependencies:
- dependency-name: taiki-e/install-action
  dependency-version: 2.87.21
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/rust.yml

@@ -98,7 +98,7 @@ jobs:
       - uses: Swatinem/rust-cache@6323deb102c322ba6fcbdcafc7e3dddab59af2b6 # v2.9.2
 
       - name: Install cargo-llvm-cov
-        uses: taiki-e/install-action@94c31af3204a9f15ab40b35ad084410b905bbc73 # v2.87.17
+        uses: taiki-e/install-action@4cef1412cce204788f482e778a0b9187f9626a29 # v2.87.21
         with:
           tool: cargo-llvm-cov