ci: bump taiki-e/install-action from 2.81.1 to 2.81.2 in /.github/actions/setup (#22884)

ci: bump taiki-e/install-action in /.github/actions/setup

Bumps [taiki-e/install-action](https://github.com/taiki-e/install-action) from 2.81.1 to 2.81.2.
- [Release notes](https://github.com/taiki-e/install-action/releases)
- [Changelog](https://github.com/taiki-e/install-action/blob/main/CHANGELOG.md)
- [Commits](https://github.com/taiki-e/install-action/compare/e49978b799e49ff429d162b7a30601a569ab6538...6887963ccf37a9ddcd8c5fa4baeb3e1e5fd61fa1)

---
updated-dependencies:
- dependency-name: taiki-e/install-action
  dependency-version: 2.81.2
  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/actions/setup/action.yml

@@ -64,7 +64,7 @@ runs:
         rustflags: ""
     - name: Setup rust dependencies
       if: ${{ contains(inputs.dependencies, 'rust') }}
-      uses: taiki-e/install-action@e49978b799e49ff429d162b7a30601a569ab6538 # v2
+      uses: taiki-e/install-action@6887963ccf37a9ddcd8c5fa4baeb3e1e5fd61fa1 # v2
       with:
         tool: cargo-deny cargo-machete cargo-llvm-cov nextest
     - name: Setup node (root, web)